Home / 38,439.25-57,665.84-17,389.20

Finding the Fourth Proportional to 38,439.25, 57,665.84 and 17,389.20

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Solution

The fourth proportional to 38,439.25, 57,665.84 and 17,389.20 is: 26,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.25 : 57,665.84 = 17,389.20 : x
  2. Step 2: Convert to fraction form
    38,439.25/57,665.84 = 17,389.20/x
  3. Step 3: Cross multiply
    38,439.25x = 57,665.84 × 17,389.20
  4. Step 4: Simplify right side
    38,439.25x = 1,002,762,824.93
  5. Step 5: Solve for x
    x = 1,002,762,824.93/38,439.25
  6. Step 6: Final answer
    x = 26,086.95

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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.