Home / 27,379.78-41,074.73-8,664.52

Finding the Fourth Proportional to 27,379.78, 41,074.73 and 8,664.52

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Solution

The fourth proportional to 27,379.78, 41,074.73 and 8,664.52 is: 12,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.78 : 41,074.73 = 8,664.52 : x
  2. Step 2: Convert to fraction form
    27,379.78/41,074.73 = 8,664.52/x
  3. Step 3: Cross multiply
    27,379.78x = 41,074.73 × 8,664.52
  4. Step 4: Simplify right side
    27,379.78x = 355,892,819.58
  5. Step 5: Solve for x
    x = 355,892,819.58/27,379.78
  6. Step 6: Final answer
    x = 12,998.38

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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.