Home / 25,861.86-35,691.46-15,110.20

Finding the Fourth Proportional to 25,861.86, 35,691.46 and 15,110.20

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Solution

The fourth proportional to 25,861.86, 35,691.46 and 15,110.20 is: 20,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.86 : 35,691.46 = 15,110.20 : x
  2. Step 2: Convert to fraction form
    25,861.86/35,691.46 = 15,110.20/x
  3. Step 3: Cross multiply
    25,861.86x = 35,691.46 × 15,110.20
  4. Step 4: Simplify right side
    25,861.86x = 539,305,098.89
  5. Step 5: Solve for x
    x = 539,305,098.89/25,861.86
  6. Step 6: Final answer
    x = 20,853.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.