Home / 38,649.60-57,974.40-16,439.04

Finding the Fourth Proportional to 38,649.60, 57,974.40 and 16,439.04

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Solution

The fourth proportional to 38,649.60, 57,974.40 and 16,439.04 is: 24,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,649.60 : 57,974.40 = 16,439.04 : x
  2. Step 2: Convert to fraction form
    38,649.60/57,974.40 = 16,439.04/x
  3. Step 3: Cross multiply
    38,649.60x = 57,974.40 × 16,439.04
  4. Step 4: Simplify right side
    38,649.60x = 953,043,480.58
  5. Step 5: Solve for x
    x = 953,043,480.58/38,649.60
  6. Step 6: Final answer
    x = 24,658.56

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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.