Home / 38,257.60-57,369.12-13,634.24

Finding the Fourth Proportional to 38,257.60, 57,369.12 and 13,634.24

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Solution

The fourth proportional to 38,257.60, 57,369.12 and 13,634.24 is: 20,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.60 : 57,369.12 = 13,634.24 : x
  2. Step 2: Convert to fraction form
    38,257.60/57,369.12 = 13,634.24/x
  3. Step 3: Cross multiply
    38,257.60x = 57,369.12 × 13,634.24
  4. Step 4: Simplify right side
    38,257.60x = 782,184,350.67
  5. Step 5: Solve for x
    x = 782,184,350.67/38,257.60
  6. Step 6: Final answer
    x = 20,445.20

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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.