Finding the Fourth Proportional to 24,429.51, 33,683.18 and 20,646
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Solution
The fourth proportional to 24,429.51, 33,683.18 and 20,646 is: 28,466.51
Step by Step Solution
- Step 1: Write the proportion equation
24,429.51 : 33,683.18 = 20,646 : x - Step 2: Convert to fraction form
24,429.51/33,683.18 = 20,646/x - Step 3: Cross multiply
24,429.51x = 33,683.18 × 20,646 - Step 4: Simplify right side
24,429.51x = 695,422,831.05 - Step 5: Solve for x
x = 695,422,831.05/24,429.51 - Step 6: Final answer
x = 28,466.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.