Home / 27,853.56-41,771.68-9,129.48

Finding the Fourth Proportional to 27,853.56, 41,771.68 and 9,129.48

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Solution

The fourth proportional to 27,853.56, 41,771.68 and 9,129.48 is: 13,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853.56 : 41,771.68 = 9,129.48 : x
  2. Step 2: Convert to fraction form
    27,853.56/41,771.68 = 9,129.48/x
  3. Step 3: Cross multiply
    27,853.56x = 41,771.68 × 9,129.48
  4. Step 4: Simplify right side
    27,853.56x = 381,353,717.13
  5. Step 5: Solve for x
    x = 381,353,717.13/27,853.56
  6. Step 6: Final answer
    x = 13,691.38

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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.