Home / 26,979.21-40,451.30-11,179.96

Finding the Fourth Proportional to 26,979.21, 40,451.30 and 11,179.96

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Solution

The fourth proportional to 26,979.21, 40,451.30 and 11,179.96 is: 16,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.21 : 40,451.30 = 11,179.96 : x
  2. Step 2: Convert to fraction form
    26,979.21/40,451.30 = 11,179.96/x
  3. Step 3: Cross multiply
    26,979.21x = 40,451.30 × 11,179.96
  4. Step 4: Simplify right side
    26,979.21x = 452,243,800.84
  5. Step 5: Solve for x
    x = 452,243,800.84/26,979.21
  6. Step 6: Final answer
    x = 16,762.68

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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.