Home / 27,759.11-38,306.61-15,826.29

Finding the Fourth Proportional to 27,759.11, 38,306.61 and 15,826.29

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Solution

The fourth proportional to 27,759.11, 38,306.61 and 15,826.29 is: 21,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.11 : 38,306.61 = 15,826.29 : x
  2. Step 2: Convert to fraction form
    27,759.11/38,306.61 = 15,826.29/x
  3. Step 3: Cross multiply
    27,759.11x = 38,306.61 × 15,826.29
  4. Step 4: Simplify right side
    27,759.11x = 606,251,518.78
  5. Step 5: Solve for x
    x = 606,251,518.78/27,759.11
  6. Step 6: Final answer
    x = 21,839.73

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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.