Home / 27,447.06-37,874.76-15,511.44

Finding the Fourth Proportional to 27,447.06, 37,874.76 and 15,511.44

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Solution

The fourth proportional to 27,447.06, 37,874.76 and 15,511.44 is: 21,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,447.06 : 37,874.76 = 15,511.44 : x
  2. Step 2: Convert to fraction form
    27,447.06/37,874.76 = 15,511.44/x
  3. Step 3: Cross multiply
    27,447.06x = 37,874.76 × 15,511.44
  4. Step 4: Simplify right side
    27,447.06x = 587,492,067.25
  5. Step 5: Solve for x
    x = 587,492,067.25/27,447.06
  6. Step 6: Final answer
    x = 21,404.55

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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.