Home / 25,744.56-38,618.60-8,215.71

Finding the Fourth Proportional to 25,744.56, 38,618.60 and 8,215.71

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Solution

The fourth proportional to 25,744.56, 38,618.60 and 8,215.71 is: 12,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,744.56 : 38,618.60 = 8,215.71 : x
  2. Step 2: Convert to fraction form
    25,744.56/38,618.60 = 8,215.71/x
  3. Step 3: Cross multiply
    25,744.56x = 38,618.60 × 8,215.71
  4. Step 4: Simplify right side
    25,744.56x = 317,279,177.13
  5. Step 5: Solve for x
    x = 317,279,177.13/25,744.56
  6. Step 6: Final answer
    x = 12,324.13

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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.