Home / 27,180.84-40,771.04-17,879.61

Finding the Fourth Proportional to 27,180.84, 40,771.04 and 17,879.61

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Solution

The fourth proportional to 27,180.84, 40,771.04 and 17,879.61 is: 26,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.84 : 40,771.04 = 17,879.61 : x
  2. Step 2: Convert to fraction form
    27,180.84/40,771.04 = 17,879.61/x
  3. Step 3: Cross multiply
    27,180.84x = 40,771.04 × 17,879.61
  4. Step 4: Simplify right side
    27,180.84x = 728,970,205.10
  5. Step 5: Solve for x
    x = 728,970,205.10/27,180.84
  6. Step 6: Final answer
    x = 26,819.27

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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.