Home / 27,711.28-38,254.62-17,107.12

Finding the Fourth Proportional to 27,711.28, 38,254.62 and 17,107.12

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Solution

The fourth proportional to 27,711.28, 38,254.62 and 17,107.12 is: 23,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.28 : 38,254.62 = 17,107.12 : x
  2. Step 2: Convert to fraction form
    27,711.28/38,254.62 = 17,107.12/x
  3. Step 3: Cross multiply
    27,711.28x = 38,254.62 × 17,107.12
  4. Step 4: Simplify right side
    27,711.28x = 654,426,374.89
  5. Step 5: Solve for x
    x = 654,426,374.89/27,711.28
  6. Step 6: Final answer
    x = 23,615.88

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Double scale
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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.