Home / 27,619.73-38,115.24-15,044.48

Finding the Fourth Proportional to 27,619.73, 38,115.24 and 15,044.48

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Solution

The fourth proportional to 27,619.73, 38,115.24 and 15,044.48 is: 20,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.73 : 38,115.24 = 15,044.48 : x
  2. Step 2: Convert to fraction form
    27,619.73/38,115.24 = 15,044.48/x
  3. Step 3: Cross multiply
    27,619.73x = 38,115.24 × 15,044.48
  4. Step 4: Simplify right side
    27,619.73x = 573,424,160.84
  5. Step 5: Solve for x
    x = 573,424,160.84/27,619.73
  6. Step 6: Final answer
    x = 20,761.39

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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.