Home / 38,629.20-57,948.24-12,327.84

Finding the Fourth Proportional to 38,629.20, 57,948.24 and 12,327.84

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Solution

The fourth proportional to 38,629.20, 57,948.24 and 12,327.84 is: 18,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,629.20 : 57,948.24 = 12,327.84 : x
  2. Step 2: Convert to fraction form
    38,629.20/57,948.24 = 12,327.84/x
  3. Step 3: Cross multiply
    38,629.20x = 57,948.24 × 12,327.84
  4. Step 4: Simplify right side
    38,629.20x = 714,376,631.00
  5. Step 5: Solve for x
    x = 714,376,631.00/38,629.20
  6. Step 6: Final answer
    x = 18,493.18

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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.