Home / 28,657.13-39,550.55-16,081.88

Finding the Fourth Proportional to 28,657.13, 39,550.55 and 16,081.88

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Solution

The fourth proportional to 28,657.13, 39,550.55 and 16,081.88 is: 22,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.13 : 39,550.55 = 16,081.88 : x
  2. Step 2: Convert to fraction form
    28,657.13/39,550.55 = 16,081.88/x
  3. Step 3: Cross multiply
    28,657.13x = 39,550.55 × 16,081.88
  4. Step 4: Simplify right side
    28,657.13x = 636,046,920.87
  5. Step 5: Solve for x
    x = 636,046,920.87/28,657.13
  6. Step 6: Final answer
    x = 22,195.07

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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.