Home / 26,375.29-36,394.68-21,011.39

Finding the Fourth Proportional to 26,375.29, 36,394.68 and 21,011.39

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Solution

The fourth proportional to 26,375.29, 36,394.68 and 21,011.39 is: 28,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.29 : 36,394.68 = 21,011.39 : x
  2. Step 2: Convert to fraction form
    26,375.29/36,394.68 = 21,011.39/x
  3. Step 3: Cross multiply
    26,375.29x = 36,394.68 × 21,011.39
  4. Step 4: Simplify right side
    26,375.29x = 764,702,815.41
  5. Step 5: Solve for x
    x = 764,702,815.41/26,375.29
  6. Step 6: Final answer
    x = 28,993.15

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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.