Home / 38,493.78-57,744.32-15,114.75

Finding the Fourth Proportional to 38,493.78, 57,744.32 and 15,114.75

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Solution

The fourth proportional to 38,493.78, 57,744.32 and 15,114.75 is: 22,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493.78 : 57,744.32 = 15,114.75 : x
  2. Step 2: Convert to fraction form
    38,493.78/57,744.32 = 15,114.75/x
  3. Step 3: Cross multiply
    38,493.78x = 57,744.32 × 15,114.75
  4. Step 4: Simplify right side
    38,493.78x = 872,790,885.15
  5. Step 5: Solve for x
    x = 872,790,885.15/38,493.78
  6. Step 6: Final answer
    x = 22,673.56

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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.