Respuesta :

8/x= 32/16

Cross Multiplication:

8(16)= 32x

128= 32x

X= 128/32

X= 4

The missing side is 4.

Hope this helps!
PROPORTIONS!!!!!

x/8 = 16/32

CROSS-MULTIPLY!!!!!

32x = 128

128/32 is 4.

So X=4

Hope this helped. :)