Home / 27,974.16-38,604.38-15,398.91

Finding the Fourth Proportional to 27,974.16, 38,604.38 and 15,398.91

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Solution

The fourth proportional to 27,974.16, 38,604.38 and 15,398.91 is: 21,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974.16 : 38,604.38 = 15,398.91 : x
  2. Step 2: Convert to fraction form
    27,974.16/38,604.38 = 15,398.91/x
  3. Step 3: Cross multiply
    27,974.16x = 38,604.38 × 15,398.91
  4. Step 4: Simplify right side
    27,974.16x = 594,465,296.23
  5. Step 5: Solve for x
    x = 594,465,296.23/27,974.16
  6. Step 6: Final answer
    x = 21,250.51

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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.