Home / 27,826.43-38,400.63-15,251.18

Finding the Fourth Proportional to 27,826.43, 38,400.63 and 15,251.18

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Solution

The fourth proportional to 27,826.43, 38,400.63 and 15,251.18 is: 21,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,826.43 : 38,400.63 = 15,251.18 : x
  2. Step 2: Convert to fraction form
    27,826.43/38,400.63 = 15,251.18/x
  3. Step 3: Cross multiply
    27,826.43x = 38,400.63 × 15,251.18
  4. Step 4: Simplify right side
    27,826.43x = 585,654,920.24
  5. Step 5: Solve for x
    x = 585,654,920.24/27,826.43
  6. Step 6: Final answer
    x = 21,046.71

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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.