Home / 38,520.07-57,765.52-15,133.75

Finding the Fourth Proportional to 38,520.07, 57,765.52 and 15,133.75

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Solution

The fourth proportional to 38,520.07, 57,765.52 and 15,133.75 is: 22,694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520.07 : 57,765.52 = 15,133.75 : x
  2. Step 2: Convert to fraction form
    38,520.07/57,765.52 = 15,133.75/x
  3. Step 3: Cross multiply
    38,520.07x = 57,765.52 × 15,133.75
  4. Step 4: Simplify right side
    38,520.07x = 874,208,938.30
  5. Step 5: Solve for x
    x = 874,208,938.30/38,520.07
  6. Step 6: Final answer
    x = 22,694.89

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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.