Home / 25,872.16-38,812.56-8,343.76

Finding the Fourth Proportional to 25,872.16, 38,812.56 and 8,343.76

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Solution

The fourth proportional to 25,872.16, 38,812.56 and 8,343.76 is: 12,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,872.16 : 38,812.56 = 8,343.76 : x
  2. Step 2: Convert to fraction form
    25,872.16/38,812.56 = 8,343.76/x
  3. Step 3: Cross multiply
    25,872.16x = 38,812.56 × 8,343.76
  4. Step 4: Simplify right side
    25,872.16x = 323,842,685.63
  5. Step 5: Solve for x
    x = 323,842,685.63/25,872.16
  6. Step 6: Final answer
    x = 12,517.03

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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.