What is the solution of the proportion A 32 B 128 C 8 D 16 4

What is the solution of the proportion?

A. 32

B. 128

C. 8

D. 16

Solution

According to law of proportion s,

4/a=16/32

on cross mutiplication weget,

4*32=a*16

16\"8=16*a

Calcelling 16 on both sides

a=8

Option C