Home / 26,940.60-40,391.70-10,294.20

Finding the Fourth Proportional to 26,940.60, 40,391.70 and 10,294.20

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Solution

The fourth proportional to 26,940.60, 40,391.70 and 10,294.20 is: 15,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.60 : 40,391.70 = 10,294.20 : x
  2. Step 2: Convert to fraction form
    26,940.60/40,391.70 = 10,294.20/x
  3. Step 3: Cross multiply
    26,940.60x = 40,391.70 × 10,294.20
  4. Step 4: Simplify right side
    26,940.60x = 415,800,238.14
  5. Step 5: Solve for x
    x = 415,800,238.14/26,940.60
  6. Step 6: Final answer
    x = 15,433.96

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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.