Home / 26,857.26-40,279.80-10,211.37

Finding the Fourth Proportional to 26,857.26, 40,279.80 and 10,211.37

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Solution

The fourth proportional to 26,857.26, 40,279.80 and 10,211.37 is: 15,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,857.26 : 40,279.80 = 10,211.37 : x
  2. Step 2: Convert to fraction form
    26,857.26/40,279.80 = 10,211.37/x
  3. Step 3: Cross multiply
    26,857.26x = 40,279.80 × 10,211.37
  4. Step 4: Simplify right side
    26,857.26x = 411,311,941.33
  5. Step 5: Solve for x
    x = 411,311,941.33/26,857.26
  6. Step 6: Final answer
    x = 15,314.74

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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.