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Finding the Fourth Proportional to 26,279, 36,265.68 and 14,343.44

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Solution

The fourth proportional to 26,279, 36,265.68 and 14,343.44 is: 19,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279 : 36,265.68 = 14,343.44 : x
  2. Step 2: Convert to fraction form
    26,279/36,265.68 = 14,343.44/x
  3. Step 3: Cross multiply
    26,279x = 36,265.68 × 14,343.44
  4. Step 4: Simplify right side
    26,279x = 520,174,605.14
  5. Step 5: Solve for x
    x = 520,174,605.14/26,279
  6. Step 6: Final answer
    x = 19,794.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.