Home / 28,591.38-42,867.92-11,040.71

Finding the Fourth Proportional to 28,591.38, 42,867.92 and 11,040.71

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Solution

The fourth proportional to 28,591.38, 42,867.92 and 11,040.71 is: 16,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591.38 : 42,867.92 = 11,040.71 : x
  2. Step 2: Convert to fraction form
    28,591.38/42,867.92 = 11,040.71/x
  3. Step 3: Cross multiply
    28,591.38x = 42,867.92 × 11,040.71
  4. Step 4: Simplify right side
    28,591.38x = 473,292,024.18
  5. Step 5: Solve for x
    x = 473,292,024.18/28,591.38
  6. Step 6: Final answer
    x = 16,553.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.