Home / 38,811.20-58,260.60-25,689.20

Finding the Fourth Proportional to 38,811.20, 58,260.60 and 25,689.20

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Solution

The fourth proportional to 38,811.20, 58,260.60 and 25,689.20 is: 38,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811.20 : 58,260.60 = 25,689.20 : x
  2. Step 2: Convert to fraction form
    38,811.20/58,260.60 = 25,689.20/x
  3. Step 3: Cross multiply
    38,811.20x = 58,260.60 × 25,689.20
  4. Step 4: Simplify right side
    38,811.20x = 1,496,668,205.52
  5. Step 5: Solve for x
    x = 1,496,668,205.52/38,811.20
  6. Step 6: Final answer
    x = 38,562.79

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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.