Home / 25,861.96-38,792.94-10,279.72

Finding the Fourth Proportional to 25,861.96, 38,792.94 and 10,279.72

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Solution

The fourth proportional to 25,861.96, 38,792.94 and 10,279.72 is: 15,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.96 : 38,792.94 = 10,279.72 : x
  2. Step 2: Convert to fraction form
    25,861.96/38,792.94 = 10,279.72/x
  3. Step 3: Cross multiply
    25,861.96x = 38,792.94 × 10,279.72
  4. Step 4: Simplify right side
    25,861.96x = 398,780,561.18
  5. Step 5: Solve for x
    x = 398,780,561.18/25,861.96
  6. Step 6: Final answer
    x = 15,419.58

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Similar ratio
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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.