Home / 28,140.59-42,197.82-10,366.76

Finding the Fourth Proportional to 28,140.59, 42,197.82 and 10,366.76

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Solution

The fourth proportional to 28,140.59, 42,197.82 and 10,366.76 is: 15,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140.59 : 42,197.82 = 10,366.76 : x
  2. Step 2: Convert to fraction form
    28,140.59/42,197.82 = 10,366.76/x
  3. Step 3: Cross multiply
    28,140.59x = 42,197.82 × 10,366.76
  4. Step 4: Simplify right side
    28,140.59x = 437,454,672.46
  5. Step 5: Solve for x
    x = 437,454,672.46/28,140.59
  6. Step 6: Final answer
    x = 15,545.33

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1.5x scale

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.