Home / 28,229.29-42,350.34-9,508.70

Finding the Fourth Proportional to 28,229.29, 42,350.34 and 9,508.70

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Solution

The fourth proportional to 28,229.29, 42,350.34 and 9,508.70 is: 14,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.29 : 42,350.34 = 9,508.70 : x
  2. Step 2: Convert to fraction form
    28,229.29/42,350.34 = 9,508.70/x
  3. Step 3: Cross multiply
    28,229.29x = 42,350.34 × 9,508.70
  4. Step 4: Simplify right side
    28,229.29x = 402,696,677.96
  5. Step 5: Solve for x
    x = 402,696,677.96/28,229.29
  6. Step 6: Final answer
    x = 14,265.21

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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.