Home / 26,721.92-40,092.42-11,929.52

Finding the Fourth Proportional to 26,721.92, 40,092.42 and 11,929.52

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Solution

The fourth proportional to 26,721.92, 40,092.42 and 11,929.52 is: 17,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.92 : 40,092.42 = 11,929.52 : x
  2. Step 2: Convert to fraction form
    26,721.92/40,092.42 = 11,929.52/x
  3. Step 3: Cross multiply
    26,721.92x = 40,092.42 × 11,929.52
  4. Step 4: Simplify right side
    26,721.92x = 478,283,326.24
  5. Step 5: Solve for x
    x = 478,283,326.24/26,721.92
  6. Step 6: Final answer
    x = 17,898.54

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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.