Home / 38,615.62-57,928.20-13,650.52

Finding the Fourth Proportional to 38,615.62, 57,928.20 and 13,650.52

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Solution

The fourth proportional to 38,615.62, 57,928.20 and 13,650.52 is: 20,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,615.62 : 57,928.20 = 13,650.52 : x
  2. Step 2: Convert to fraction form
    38,615.62/57,928.20 = 13,650.52/x
  3. Step 3: Cross multiply
    38,615.62x = 57,928.20 × 13,650.52
  4. Step 4: Simplify right side
    38,615.62x = 790,750,052.66
  5. Step 5: Solve for x
    x = 790,750,052.66/38,615.62
  6. Step 6: Final answer
    x = 20,477.47

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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.