Home / 38,579.52-57,869.28-15,205.80

Finding the Fourth Proportional to 38,579.52, 57,869.28 and 15,205.80

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Solution

The fourth proportional to 38,579.52, 57,869.28 and 15,205.80 is: 22,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.52 : 57,869.28 = 15,205.80 : x
  2. Step 2: Convert to fraction form
    38,579.52/57,869.28 = 15,205.80/x
  3. Step 3: Cross multiply
    38,579.52x = 57,869.28 × 15,205.80
  4. Step 4: Simplify right side
    38,579.52x = 879,948,697.82
  5. Step 5: Solve for x
    x = 879,948,697.82/38,579.52
  6. Step 6: Final answer
    x = 22,808.70

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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.