Home / 26,845.85-40,269.24-8,126.07

Finding the Fourth Proportional to 26,845.85, 40,269.24 and 8,126.07

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Solution

The fourth proportional to 26,845.85, 40,269.24 and 8,126.07 is: 12,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.85 : 40,269.24 = 8,126.07 : x
  2. Step 2: Convert to fraction form
    26,845.85/40,269.24 = 8,126.07/x
  3. Step 3: Cross multiply
    26,845.85x = 40,269.24 × 8,126.07
  4. Step 4: Simplify right side
    26,845.85x = 327,230,663.09
  5. Step 5: Solve for x
    x = 327,230,663.09/26,845.85
  6. Step 6: Final answer
    x = 12,189.25

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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.