Home / 27,458.46-37,891.19-15,521.09

Finding the Fourth Proportional to 27,458.46, 37,891.19 and 15,521.09

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Solution

The fourth proportional to 27,458.46, 37,891.19 and 15,521.09 is: 21,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.46 : 37,891.19 = 15,521.09 : x
  2. Step 2: Convert to fraction form
    27,458.46/37,891.19 = 15,521.09/x
  3. Step 3: Cross multiply
    27,458.46x = 37,891.19 × 15,521.09
  4. Step 4: Simplify right side
    27,458.46x = 588,112,419.54
  5. Step 5: Solve for x
    x = 588,112,419.54/27,458.46
  6. Step 6: Final answer
    x = 21,418.26

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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.