Home / 25,949.28-38,905.68-9,078.18

Finding the Fourth Proportional to 25,949.28, 38,905.68 and 9,078.18

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Solution

The fourth proportional to 25,949.28, 38,905.68 and 9,078.18 is: 13,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.28 : 38,905.68 = 9,078.18 : x
  2. Step 2: Convert to fraction form
    25,949.28/38,905.68 = 9,078.18/x
  3. Step 3: Cross multiply
    25,949.28x = 38,905.68 × 9,078.18
  4. Step 4: Simplify right side
    25,949.28x = 353,192,766.06
  5. Step 5: Solve for x
    x = 353,192,766.06/25,949.28
  6. Step 6: Final answer
    x = 13,610.89

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1.5x scale

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.