Home / 57,284.20-85,891.78-25,688.55

Finding the Fourth Proportional to 57,284.20, 85,891.78 and 25,688.55

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Solution

The fourth proportional to 57,284.20, 85,891.78 and 25,688.55 is: 38,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,284.20 : 85,891.78 = 25,688.55 : x
  2. Step 2: Convert to fraction form
    57,284.20/85,891.78 = 25,688.55/x
  3. Step 3: Cross multiply
    57,284.20x = 85,891.78 × 25,688.55
  4. Step 4: Simplify right side
    57,284.20x = 2,206,435,285.12
  5. Step 5: Solve for x
    x = 2,206,435,285.12/57,284.20
  6. Step 6: Final answer
    x = 38,517.34

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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.