Home / 27,327.92-37,712.61-15,391.44

Finding the Fourth Proportional to 27,327.92, 37,712.61 and 15,391.44

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Solution

The fourth proportional to 27,327.92, 37,712.61 and 15,391.44 is: 21,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,327.92 : 37,712.61 = 15,391.44 : x
  2. Step 2: Convert to fraction form
    27,327.92/37,712.61 = 15,391.44/x
  3. Step 3: Cross multiply
    27,327.92x = 37,712.61 × 15,391.44
  4. Step 4: Simplify right side
    27,327.92x = 580,451,374.06
  5. Step 5: Solve for x
    x = 580,451,374.06/27,327.92
  6. Step 6: Final answer
    x = 21,240.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.