Home / 27,899.61-38,502.68-15,966.69

Finding the Fourth Proportional to 27,899.61, 38,502.68 and 15,966.69

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Solution

The fourth proportional to 27,899.61, 38,502.68 and 15,966.69 is: 22,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.61 : 38,502.68 = 15,966.69 : x
  2. Step 2: Convert to fraction form
    27,899.61/38,502.68 = 15,966.69/x
  3. Step 3: Cross multiply
    27,899.61x = 38,502.68 × 15,966.69
  4. Step 4: Simplify right side
    27,899.61x = 614,760,275.90
  5. Step 5: Solve for x
    x = 614,760,275.90/27,899.61
  6. Step 6: Final answer
    x = 22,034.73

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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.