Home / 27,217.92-40,838.40-11,642.88

Finding the Fourth Proportional to 27,217.92, 40,838.40 and 11,642.88

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Solution

The fourth proportional to 27,217.92, 40,838.40 and 11,642.88 is: 17,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.92 : 40,838.40 = 11,642.88 : x
  2. Step 2: Convert to fraction form
    27,217.92/40,838.40 = 11,642.88/x
  3. Step 3: Cross multiply
    27,217.92x = 40,838.40 × 11,642.88
  4. Step 4: Simplify right side
    27,217.92x = 475,476,590.59
  5. Step 5: Solve for x
    x = 475,476,590.59/27,217.92
  6. Step 6: Final answer
    x = 17,469.25

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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.