Home / 25,371.40-38,057.10-15,529.90

Finding the Fourth Proportional to 25,371.40, 38,057.10 and 15,529.90

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Solution

The fourth proportional to 25,371.40, 38,057.10 and 15,529.90 is: 23,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371.40 : 38,057.10 = 15,529.90 : x
  2. Step 2: Convert to fraction form
    25,371.40/38,057.10 = 15,529.90/x
  3. Step 3: Cross multiply
    25,371.40x = 38,057.10 × 15,529.90
  4. Step 4: Simplify right side
    25,371.40x = 591,022,957.29
  5. Step 5: Solve for x
    x = 591,022,957.29/25,371.40
  6. Step 6: Final answer
    x = 23,294.85

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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.