Home / 27,229.61-37,578.74-15,131.52

Finding the Fourth Proportional to 27,229.61, 37,578.74 and 15,131.52

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Solution

The fourth proportional to 27,229.61, 37,578.74 and 15,131.52 is: 20,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,229.61 : 37,578.74 = 15,131.52 : x
  2. Step 2: Convert to fraction form
    27,229.61/37,578.74 = 15,131.52/x
  3. Step 3: Cross multiply
    27,229.61x = 37,578.74 × 15,131.52
  4. Step 4: Simplify right side
    27,229.61x = 568,623,380.23
  5. Step 5: Solve for x
    x = 568,623,380.23/27,229.61
  6. Step 6: Final answer
    x = 20,882.54

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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.