Home / 38,520.97-57,785.10-15,141.94

Finding the Fourth Proportional to 38,520.97, 57,785.10 and 15,141.94

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Solution

The fourth proportional to 38,520.97, 57,785.10 and 15,141.94 is: 22,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520.97 : 57,785.10 = 15,141.94 : x
  2. Step 2: Convert to fraction form
    38,520.97/57,785.10 = 15,141.94/x
  3. Step 3: Cross multiply
    38,520.97x = 57,785.10 × 15,141.94
  4. Step 4: Simplify right side
    38,520.97x = 874,978,315.85
  5. Step 5: Solve for x
    x = 874,978,315.85/38,520.97
  6. Step 6: Final answer
    x = 22,714.34

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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.