Home / 27,718.43-38,240.57-17,089.61

Finding the Fourth Proportional to 27,718.43, 38,240.57 and 17,089.61

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Solution

The fourth proportional to 27,718.43, 38,240.57 and 17,089.61 is: 23,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.43 : 38,240.57 = 17,089.61 : x
  2. Step 2: Convert to fraction form
    27,718.43/38,240.57 = 17,089.61/x
  3. Step 3: Cross multiply
    27,718.43x = 38,240.57 × 17,089.61
  4. Step 4: Simplify right side
    27,718.43x = 653,516,279.00
  5. Step 5: Solve for x
    x = 653,516,279.00/27,718.43
  6. Step 6: Final answer
    x = 23,576.96

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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.