Home / 27,578.44-38,031.78-18,524.26

Finding the Fourth Proportional to 27,578.44, 38,031.78 and 18,524.26

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Solution

The fourth proportional to 27,578.44, 38,031.78 and 18,524.26 is: 25,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.44 : 38,031.78 = 18,524.26 : x
  2. Step 2: Convert to fraction form
    27,578.44/38,031.78 = 18,524.26/x
  3. Step 3: Cross multiply
    27,578.44x = 38,031.78 × 18,524.26
  4. Step 4: Simplify right side
    27,578.44x = 704,510,580.98
  5. Step 5: Solve for x
    x = 704,510,580.98/27,578.44
  6. Step 6: Final answer
    x = 25,545.70

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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.