Home / 27,192.72-40,789.06-7,471.38

Finding the Fourth Proportional to 27,192.72, 40,789.06 and 7,471.38

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Solution

The fourth proportional to 27,192.72, 40,789.06 and 7,471.38 is: 11,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.72 : 40,789.06 = 7,471.38 : x
  2. Step 2: Convert to fraction form
    27,192.72/40,789.06 = 7,471.38/x
  3. Step 3: Cross multiply
    27,192.72x = 40,789.06 × 7,471.38
  4. Step 4: Simplify right side
    27,192.72x = 304,750,567.10
  5. Step 5: Solve for x
    x = 304,750,567.10/27,192.72
  6. Step 6: Final answer
    x = 11,207.06

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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.