Home / 27,453.80-37,885.92-15,517.64

Finding the Fourth Proportional to 27,453.80, 37,885.92 and 15,517.64

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Solution

The fourth proportional to 27,453.80, 37,885.92 and 15,517.64 is: 21,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.80 : 37,885.92 = 15,517.64 : x
  2. Step 2: Convert to fraction form
    27,453.80/37,885.92 = 15,517.64/x
  3. Step 3: Cross multiply
    27,453.80x = 37,885.92 × 15,517.64
  4. Step 4: Simplify right side
    27,453.80x = 587,900,067.63
  5. Step 5: Solve for x
    x = 587,900,067.63/27,453.80
  6. Step 6: Final answer
    x = 21,414.16

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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.