Home / 27,508.23-41,249.97-7,782.12

Finding the Fourth Proportional to 27,508.23, 41,249.97 and 7,782.12

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Solution

The fourth proportional to 27,508.23, 41,249.97 and 7,782.12 is: 11,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,508.23 : 41,249.97 = 7,782.12 : x
  2. Step 2: Convert to fraction form
    27,508.23/41,249.97 = 7,782.12/x
  3. Step 3: Cross multiply
    27,508.23x = 41,249.97 × 7,782.12
  4. Step 4: Simplify right side
    27,508.23x = 321,012,216.54
  5. Step 5: Solve for x
    x = 321,012,216.54/27,508.23
  6. Step 6: Final answer
    x = 11,669.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.