Home / 27,171.46-37,498.05-15,687.88

Finding the Fourth Proportional to 27,171.46, 37,498.05 and 15,687.88

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Solution

The fourth proportional to 27,171.46, 37,498.05 and 15,687.88 is: 21,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,171.46 : 37,498.05 = 15,687.88 : x
  2. Step 2: Convert to fraction form
    27,171.46/37,498.05 = 15,687.88/x
  3. Step 3: Cross multiply
    27,171.46x = 37,498.05 × 15,687.88
  4. Step 4: Simplify right side
    27,171.46x = 588,264,908.63
  5. Step 5: Solve for x
    x = 588,264,908.63/27,171.46
  6. Step 6: Final answer
    x = 21,650.10

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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.