Home / 25,776.42-38,670.09-8,247.61

Finding the Fourth Proportional to 25,776.42, 38,670.09 and 8,247.61

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Solution

The fourth proportional to 25,776.42, 38,670.09 and 8,247.61 is: 12,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.42 : 38,670.09 = 8,247.61 : x
  2. Step 2: Convert to fraction form
    25,776.42/38,670.09 = 8,247.61/x
  3. Step 3: Cross multiply
    25,776.42x = 38,670.09 × 8,247.61
  4. Step 4: Simplify right side
    25,776.42x = 318,935,820.98
  5. Step 5: Solve for x
    x = 318,935,820.98/25,776.42
  6. Step 6: Final answer
    x = 12,373.16

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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.