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Finding the Fourth Proportional to 38,275.71, 57,414.64 and 10,573.71

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Solution

The fourth proportional to 38,275.71, 57,414.64 and 10,573.71 is: 15,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.71 : 57,414.64 = 10,573.71 : x
  2. Step 2: Convert to fraction form
    38,275.71/57,414.64 = 10,573.71/x
  3. Step 3: Cross multiply
    38,275.71x = 57,414.64 × 10,573.71
  4. Step 4: Simplify right side
    38,275.71x = 607,085,753.11
  5. Step 5: Solve for x
    x = 607,085,753.11/38,275.71
  6. Step 6: Final answer
    x = 15,860.86

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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.