Home / 26,619.76-39,954.16-13,481.28

Finding the Fourth Proportional to 26,619.76, 39,954.16 and 13,481.28

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Solution

The fourth proportional to 26,619.76, 39,954.16 and 13,481.28 is: 20,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.76 : 39,954.16 = 13,481.28 : x
  2. Step 2: Convert to fraction form
    26,619.76/39,954.16 = 13,481.28/x
  3. Step 3: Cross multiply
    26,619.76x = 39,954.16 × 13,481.28
  4. Step 4: Simplify right side
    26,619.76x = 538,633,218.12
  5. Step 5: Solve for x
    x = 538,633,218.12/26,619.76
  6. Step 6: Final answer
    x = 20,234.34

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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.