Home / 27,067.31-37,355.60-15,740.27

Finding the Fourth Proportional to 27,067.31, 37,355.60 and 15,740.27

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Solution

The fourth proportional to 27,067.31, 37,355.60 and 15,740.27 is: 21,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.31 : 37,355.60 = 15,740.27 : x
  2. Step 2: Convert to fraction form
    27,067.31/37,355.60 = 15,740.27/x
  3. Step 3: Cross multiply
    27,067.31x = 37,355.60 × 15,740.27
  4. Step 4: Simplify right side
    27,067.31x = 587,987,082.58
  5. Step 5: Solve for x
    x = 587,987,082.58/27,067.31
  6. Step 6: Final answer
    x = 21,723.15

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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.