Home / 26,908.49-40,340.87-9,390.62

Finding the Fourth Proportional to 26,908.49, 40,340.87 and 9,390.62

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Solution

The fourth proportional to 26,908.49, 40,340.87 and 9,390.62 is: 14,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.49 : 40,340.87 = 9,390.62 : x
  2. Step 2: Convert to fraction form
    26,908.49/40,340.87 = 9,390.62/x
  3. Step 3: Cross multiply
    26,908.49x = 40,340.87 × 9,390.62
  4. Step 4: Simplify right side
    26,908.49x = 378,825,834.54
  5. Step 5: Solve for x
    x = 378,825,834.54/26,908.49
  6. Step 6: Final answer
    x = 14,078.30

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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.