Home / 25,486.20-38,233.40-8,856.09

Finding the Fourth Proportional to 25,486.20, 38,233.40 and 8,856.09

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Solution

The fourth proportional to 25,486.20, 38,233.40 and 8,856.09 is: 13,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.20 : 38,233.40 = 8,856.09 : x
  2. Step 2: Convert to fraction form
    25,486.20/38,233.40 = 8,856.09/x
  3. Step 3: Cross multiply
    25,486.20x = 38,233.40 × 8,856.09
  4. Step 4: Simplify right side
    25,486.20x = 338,598,387.13
  5. Step 5: Solve for x
    x = 338,598,387.13/25,486.20
  6. Step 6: Final answer
    x = 13,285.56

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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.