Home / 38,281.20-57,425.10-10,579.20

Finding the Fourth Proportional to 38,281.20, 57,425.10 and 10,579.20

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Solution

The fourth proportional to 38,281.20, 57,425.10 and 10,579.20 is: 15,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.20 : 57,425.10 = 10,579.20 : x
  2. Step 2: Convert to fraction form
    38,281.20/57,425.10 = 10,579.20/x
  3. Step 3: Cross multiply
    38,281.20x = 57,425.10 × 10,579.20
  4. Step 4: Simplify right side
    38,281.20x = 607,511,617.92
  5. Step 5: Solve for x
    x = 607,511,617.92/38,281.20
  6. Step 6: Final answer
    x = 15,869.71

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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.