Home / 27,681.53-41,523.22-8,961.72

Finding the Fourth Proportional to 27,681.53, 41,523.22 and 8,961.72

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Solution

The fourth proportional to 27,681.53, 41,523.22 and 8,961.72 is: 13,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.53 : 41,523.22 = 8,961.72 : x
  2. Step 2: Convert to fraction form
    27,681.53/41,523.22 = 8,961.72/x
  3. Step 3: Cross multiply
    27,681.53x = 41,523.22 × 8,961.72
  4. Step 4: Simplify right side
    27,681.53x = 372,119,471.14
  5. Step 5: Solve for x
    x = 372,119,471.14/27,681.53
  6. Step 6: Final answer
    x = 13,442.88

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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.