Home / 25,459.91-38,180.75-8,815.48

Finding the Fourth Proportional to 25,459.91, 38,180.75 and 8,815.48

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Solution

The fourth proportional to 25,459.91, 38,180.75 and 8,815.48 is: 13,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,459.91 : 38,180.75 = 8,815.48 : x
  2. Step 2: Convert to fraction form
    25,459.91/38,180.75 = 8,815.48/x
  3. Step 3: Cross multiply
    25,459.91x = 38,180.75 × 8,815.48
  4. Step 4: Simplify right side
    25,459.91x = 336,581,469.14
  5. Step 5: Solve for x
    x = 336,581,469.14/25,459.91
  6. Step 6: Final answer
    x = 13,220.06

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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.