Home / 28,324.50-42,489.18-13,545.24

Finding the Fourth Proportional to 28,324.50, 42,489.18 and 13,545.24

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Solution

The fourth proportional to 28,324.50, 42,489.18 and 13,545.24 is: 20,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.50 : 42,489.18 = 13,545.24 : x
  2. Step 2: Convert to fraction form
    28,324.50/42,489.18 = 13,545.24/x
  3. Step 3: Cross multiply
    28,324.50x = 42,489.18 × 13,545.24
  4. Step 4: Simplify right side
    28,324.50x = 575,526,258.27
  5. Step 5: Solve for x
    x = 575,526,258.27/28,324.50
  6. Step 6: Final answer
    x = 20,319.02

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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.