Home / 27,479.85-41,221.49-7,759.92

Finding the Fourth Proportional to 27,479.85, 41,221.49 and 7,759.92

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Solution

The fourth proportional to 27,479.85, 41,221.49 and 7,759.92 is: 11,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.85 : 41,221.49 = 7,759.92 : x
  2. Step 2: Convert to fraction form
    27,479.85/41,221.49 = 7,759.92/x
  3. Step 3: Cross multiply
    27,479.85x = 41,221.49 × 7,759.92
  4. Step 4: Simplify right side
    27,479.85x = 319,875,464.68
  5. Step 5: Solve for x
    x = 319,875,464.68/27,479.85
  6. Step 6: Final answer
    x = 11,640.36

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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.