Home / 57,425.45-86,138.17-17,982.77

Finding the Fourth Proportional to 57,425.45, 86,138.17 and 17,982.77

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Solution

The fourth proportional to 57,425.45, 86,138.17 and 17,982.77 is: 26,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,425.45 : 86,138.17 = 17,982.77 : x
  2. Step 2: Convert to fraction form
    57,425.45/86,138.17 = 17,982.77/x
  3. Step 3: Cross multiply
    57,425.45x = 86,138.17 × 17,982.77
  4. Step 4: Simplify right side
    57,425.45x = 1,549,002,423.68
  5. Step 5: Solve for x
    x = 1,549,002,423.68/57,425.45
  6. Step 6: Final answer
    x = 26,974.15

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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.