Home / 26,936.67-40,405.20-9,406.51

Finding the Fourth Proportional to 26,936.67, 40,405.20 and 9,406.51

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Solution

The fourth proportional to 26,936.67, 40,405.20 and 9,406.51 is: 14,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,936.67 : 40,405.20 = 9,406.51 : x
  2. Step 2: Convert to fraction form
    26,936.67/40,405.20 = 9,406.51/x
  3. Step 3: Cross multiply
    26,936.67x = 40,405.20 × 9,406.51
  4. Step 4: Simplify right side
    26,936.67x = 380,071,917.85
  5. Step 5: Solve for x
    x = 380,071,917.85/26,936.67
  6. Step 6: Final answer
    x = 14,109.83

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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.