Home / 38,474.40-57,697.20-13,504.80

Finding the Fourth Proportional to 38,474.40, 57,697.20 and 13,504.80

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Solution

The fourth proportional to 38,474.40, 57,697.20 and 13,504.80 is: 20,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474.40 : 57,697.20 = 13,504.80 : x
  2. Step 2: Convert to fraction form
    38,474.40/57,697.20 = 13,504.80/x
  3. Step 3: Cross multiply
    38,474.40x = 57,697.20 × 13,504.80
  4. Step 4: Simplify right side
    38,474.40x = 779,189,146.56
  5. Step 5: Solve for x
    x = 779,189,146.56/38,474.40
  6. Step 6: Final answer
    x = 20,252.15

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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.