Home / 26,857.26-40,279.82-10,211.36

Finding the Fourth Proportional to 26,857.26, 40,279.82 and 10,211.36

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Solution

The fourth proportional to 26,857.26, 40,279.82 and 10,211.36 is: 15,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,857.26 : 40,279.82 = 10,211.36 : x
  2. Step 2: Convert to fraction form
    26,857.26/40,279.82 = 10,211.36/x
  3. Step 3: Cross multiply
    26,857.26x = 40,279.82 × 10,211.36
  4. Step 4: Simplify right side
    26,857.26x = 411,311,490.30
  5. Step 5: Solve for x
    x = 411,311,490.30/26,857.26
  6. Step 6: Final answer
    x = 15,314.72

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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.