Home / 26,999.92-40,488-12,208.24

Finding the Fourth Proportional to 26,999.92, 40,488 and 12,208.24

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Solution

The fourth proportional to 26,999.92, 40,488 and 12,208.24 is: 18,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.92 : 40,488 = 12,208.24 : x
  2. Step 2: Convert to fraction form
    26,999.92/40,488 = 12,208.24/x
  3. Step 3: Cross multiply
    26,999.92x = 40,488 × 12,208.24
  4. Step 4: Simplify right side
    26,999.92x = 494,287,221.12
  5. Step 5: Solve for x
    x = 494,287,221.12/26,999.92
  6. Step 6: Final answer
    x = 18,306.99

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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.