Home / 26,942.49-40,388.79-13,765.80

Finding the Fourth Proportional to 26,942.49, 40,388.79 and 13,765.80

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Solution

The fourth proportional to 26,942.49, 40,388.79 and 13,765.80 is: 20,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.49 : 40,388.79 = 13,765.80 : x
  2. Step 2: Convert to fraction form
    26,942.49/40,388.79 = 13,765.80/x
  3. Step 3: Cross multiply
    26,942.49x = 40,388.79 × 13,765.80
  4. Step 4: Simplify right side
    26,942.49x = 555,984,005.38
  5. Step 5: Solve for x
    x = 555,984,005.38/26,942.49
  6. Step 6: Final answer
    x = 20,635.95

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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.