Home / 27,105.62-40,659.47-8,383.97

Finding the Fourth Proportional to 27,105.62, 40,659.47 and 8,383.97

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Solution

The fourth proportional to 27,105.62, 40,659.47 and 8,383.97 is: 12,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.62 : 40,659.47 = 8,383.97 : x
  2. Step 2: Convert to fraction form
    27,105.62/40,659.47 = 8,383.97/x
  3. Step 3: Cross multiply
    27,105.62x = 40,659.47 × 8,383.97
  4. Step 4: Simplify right side
    27,105.62x = 340,887,531.48
  5. Step 5: Solve for x
    x = 340,887,531.48/27,105.62
  6. Step 6: Final answer
    x = 12,576.27

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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.