Home / 38,478.52-57,750.18-15,121.36

Finding the Fourth Proportional to 38,478.52, 57,750.18 and 15,121.36

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Solution

The fourth proportional to 38,478.52, 57,750.18 and 15,121.36 is: 22,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478.52 : 57,750.18 = 15,121.36 : x
  2. Step 2: Convert to fraction form
    38,478.52/57,750.18 = 15,121.36/x
  3. Step 3: Cross multiply
    38,478.52x = 57,750.18 × 15,121.36
  4. Step 4: Simplify right side
    38,478.52x = 873,261,261.84
  5. Step 5: Solve for x
    x = 873,261,261.84/38,478.52
  6. Step 6: Final answer
    x = 22,694.77

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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.