Home / 28,806.39-39,753.14-16,230.87

Finding the Fourth Proportional to 28,806.39, 39,753.14 and 16,230.87

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Solution

The fourth proportional to 28,806.39, 39,753.14 and 16,230.87 is: 22,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.39 : 39,753.14 = 16,230.87 : x
  2. Step 2: Convert to fraction form
    28,806.39/39,753.14 = 16,230.87/x
  3. Step 3: Cross multiply
    28,806.39x = 39,753.14 × 16,230.87
  4. Step 4: Simplify right side
    28,806.39x = 645,227,966.28
  5. Step 5: Solve for x
    x = 645,227,966.28/28,806.39
  6. Step 6: Final answer
    x = 22,398.78

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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.