Home / 28,569.52-39,428.17-16,473.89

Finding the Fourth Proportional to 28,569.52, 39,428.17 and 16,473.89

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Solution

The fourth proportional to 28,569.52, 39,428.17 and 16,473.89 is: 22,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.52 : 39,428.17 = 16,473.89 : x
  2. Step 2: Convert to fraction form
    28,569.52/39,428.17 = 16,473.89/x
  3. Step 3: Cross multiply
    28,569.52x = 39,428.17 × 16,473.89
  4. Step 4: Simplify right side
    28,569.52x = 649,535,097.16
  5. Step 5: Solve for x
    x = 649,535,097.16/28,569.52
  6. Step 6: Final answer
    x = 22,735.25

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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.