Home / 27,921.62-41,892.16-13,141.82

Finding the Fourth Proportional to 27,921.62, 41,892.16 and 13,141.82

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Solution

The fourth proportional to 27,921.62, 41,892.16 and 13,141.82 is: 19,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.62 : 41,892.16 = 13,141.82 : x
  2. Step 2: Convert to fraction form
    27,921.62/41,892.16 = 13,141.82/x
  3. Step 3: Cross multiply
    27,921.62x = 41,892.16 × 13,141.82
  4. Step 4: Simplify right side
    27,921.62x = 550,539,226.13
  5. Step 5: Solve for x
    x = 550,539,226.13/27,921.62
  6. Step 6: Final answer
    x = 19,717.31

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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.