Home / 26,828.82-40,243.99-7,107.38

Finding the Fourth Proportional to 26,828.82, 40,243.99 and 7,107.38

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Solution

The fourth proportional to 26,828.82, 40,243.99 and 7,107.38 is: 10,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.82 : 40,243.99 = 7,107.38 : x
  2. Step 2: Convert to fraction form
    26,828.82/40,243.99 = 7,107.38/x
  3. Step 3: Cross multiply
    26,828.82x = 40,243.99 × 7,107.38
  4. Step 4: Simplify right side
    26,828.82x = 286,029,329.65
  5. Step 5: Solve for x
    x = 286,029,329.65/26,828.82
  6. Step 6: Final answer
    x = 10,661.27

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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.