Home / 28,445.96-39,255.36-16,516.28

Finding the Fourth Proportional to 28,445.96, 39,255.36 and 16,516.28

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Solution

The fourth proportional to 28,445.96, 39,255.36 and 16,516.28 is: 22,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.96 : 39,255.36 = 16,516.28 : x
  2. Step 2: Convert to fraction form
    28,445.96/39,255.36 = 16,516.28/x
  3. Step 3: Cross multiply
    28,445.96x = 39,255.36 × 16,516.28
  4. Step 4: Simplify right side
    28,445.96x = 648,352,517.26
  5. Step 5: Solve for x
    x = 648,352,517.26/28,445.96
  6. Step 6: Final answer
    x = 22,792.43

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1.5x scale

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.