Home / 25,864.42-38,803.11-8,333.86

Finding the Fourth Proportional to 25,864.42, 38,803.11 and 8,333.86

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Solution

The fourth proportional to 25,864.42, 38,803.11 and 8,333.86 is: 12,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.42 : 38,803.11 = 8,333.86 : x
  2. Step 2: Convert to fraction form
    25,864.42/38,803.11 = 8,333.86/x
  3. Step 3: Cross multiply
    25,864.42x = 38,803.11 × 8,333.86
  4. Step 4: Simplify right side
    25,864.42x = 323,379,686.30
  5. Step 5: Solve for x
    x = 323,379,686.30/25,864.42
  6. Step 6: Final answer
    x = 12,502.88

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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.