Home / 25,384.40-38,003.70-15,542.90

Finding the Fourth Proportional to 25,384.40, 38,003.70 and 15,542.90

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Solution

The fourth proportional to 25,384.40, 38,003.70 and 15,542.90 is: 23,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,384.40 : 38,003.70 = 15,542.90 : x
  2. Step 2: Convert to fraction form
    25,384.40/38,003.70 = 15,542.90/x
  3. Step 3: Cross multiply
    25,384.40x = 38,003.70 × 15,542.90
  4. Step 4: Simplify right side
    25,384.40x = 590,687,708.73
  5. Step 5: Solve for x
    x = 590,687,708.73/25,384.40
  6. Step 6: Final answer
    x = 23,269.71

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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.