Home / 27,067.68-37,347.12-15,738.96

Finding the Fourth Proportional to 27,067.68, 37,347.12 and 15,738.96

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Solution

The fourth proportional to 27,067.68, 37,347.12 and 15,738.96 is: 21,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.68 : 37,347.12 = 15,738.96 : x
  2. Step 2: Convert to fraction form
    27,067.68/37,347.12 = 15,738.96/x
  3. Step 3: Cross multiply
    27,067.68x = 37,347.12 × 15,738.96
  4. Step 4: Simplify right side
    27,067.68x = 587,804,827.80
  5. Step 5: Solve for x
    x = 587,804,827.80/27,067.68
  6. Step 6: Final answer
    x = 21,716.11

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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.