Home / 38,439.75-57,666.59-17,389.71

Finding the Fourth Proportional to 38,439.75, 57,666.59 and 17,389.71

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Solution

The fourth proportional to 38,439.75, 57,666.59 and 17,389.71 is: 26,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.75 : 57,666.59 = 17,389.71 : x
  2. Step 2: Convert to fraction form
    38,439.75/57,666.59 = 17,389.71/x
  3. Step 3: Cross multiply
    38,439.75x = 57,666.59 × 17,389.71
  4. Step 4: Simplify right side
    38,439.75x = 1,002,805,276.79
  5. Step 5: Solve for x
    x = 1,002,805,276.79/38,439.75
  6. Step 6: Final answer
    x = 26,087.72

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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.