Home / 57,764.80-86,650.28-18,324.95

Finding the Fourth Proportional to 57,764.80, 86,650.28 and 18,324.95

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Solution

The fourth proportional to 57,764.80, 86,650.28 and 18,324.95 is: 27,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.80 : 86,650.28 = 18,324.95 : x
  2. Step 2: Convert to fraction form
    57,764.80/86,650.28 = 18,324.95/x
  3. Step 3: Cross multiply
    57,764.80x = 86,650.28 × 18,324.95
  4. Step 4: Simplify right side
    57,764.80x = 1,587,861,956.86
  5. Step 5: Solve for x
    x = 1,587,861,956.86/57,764.80
  6. Step 6: Final answer
    x = 27,488.40

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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.