Home / 27,115.41-37,387.40-21,733.54

Finding the Fourth Proportional to 27,115.41, 37,387.40 and 21,733.54

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Solution

The fourth proportional to 27,115.41, 37,387.40 and 21,733.54 is: 29,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.41 : 37,387.40 = 21,733.54 : x
  2. Step 2: Convert to fraction form
    27,115.41/37,387.40 = 21,733.54/x
  3. Step 3: Cross multiply
    27,115.41x = 37,387.40 × 21,733.54
  4. Step 4: Simplify right side
    27,115.41x = 812,560,553.40
  5. Step 5: Solve for x
    x = 812,560,553.40/27,115.41
  6. Step 6: Final answer
    x = 29,966.74

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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.