Home / 38,229.28-57,340.32-13,265.44

Finding the Fourth Proportional to 38,229.28, 57,340.32 and 13,265.44

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Solution

The fourth proportional to 38,229.28, 57,340.32 and 13,265.44 is: 19,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,229.28 : 57,340.32 = 13,265.44 : x
  2. Step 2: Convert to fraction form
    38,229.28/57,340.32 = 13,265.44/x
  3. Step 3: Cross multiply
    38,229.28x = 57,340.32 × 13,265.44
  4. Step 4: Simplify right side
    38,229.28x = 760,644,574.54
  5. Step 5: Solve for x
    x = 760,644,574.54/38,229.28
  6. Step 6: Final answer
    x = 19,896.91

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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.