Home / 28,487.53-39,310.14-16,550.70

Finding the Fourth Proportional to 28,487.53, 39,310.14 and 16,550.70

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Solution

The fourth proportional to 28,487.53, 39,310.14 and 16,550.70 is: 22,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,487.53 : 39,310.14 = 16,550.70 : x
  2. Step 2: Convert to fraction form
    28,487.53/39,310.14 = 16,550.70/x
  3. Step 3: Cross multiply
    28,487.53x = 39,310.14 × 16,550.70
  4. Step 4: Simplify right side
    28,487.53x = 650,610,334.10
  5. Step 5: Solve for x
    x = 650,610,334.10/28,487.53
  6. Step 6: Final answer
    x = 22,838.43

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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.