Home / 27,879.89-41,821.05-11,012.86

Finding the Fourth Proportional to 27,879.89, 41,821.05 and 11,012.86

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Solution

The fourth proportional to 27,879.89, 41,821.05 and 11,012.86 is: 16,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,879.89 : 41,821.05 = 11,012.86 : x
  2. Step 2: Convert to fraction form
    27,879.89/41,821.05 = 11,012.86/x
  3. Step 3: Cross multiply
    27,879.89x = 41,821.05 × 11,012.86
  4. Step 4: Simplify right side
    27,879.89x = 460,569,159.60
  5. Step 5: Solve for x
    x = 460,569,159.60/27,879.89
  6. Step 6: Final answer
    x = 16,519.76

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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.