Home / 28,639.20-42,911.82-27,545.70

Finding the Fourth Proportional to 28,639.20, 42,911.82 and 27,545.70

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Solution

The fourth proportional to 28,639.20, 42,911.82 and 27,545.70 is: 41,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,639.20 : 42,911.82 = 27,545.70 : x
  2. Step 2: Convert to fraction form
    28,639.20/42,911.82 = 27,545.70/x
  3. Step 3: Cross multiply
    28,639.20x = 42,911.82 × 27,545.70
  4. Step 4: Simplify right side
    28,639.20x = 1,182,036,120.17
  5. Step 5: Solve for x
    x = 1,182,036,120.17/28,639.20
  6. Step 6: Final answer
    x = 41,273.36

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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.