Home / 26,744.90-40,109.13-18,478.04

Finding the Fourth Proportional to 26,744.90, 40,109.13 and 18,478.04

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Solution

The fourth proportional to 26,744.90, 40,109.13 and 18,478.04 is: 27,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,744.90 : 40,109.13 = 18,478.04 : x
  2. Step 2: Convert to fraction form
    26,744.90/40,109.13 = 18,478.04/x
  3. Step 3: Cross multiply
    26,744.90x = 40,109.13 × 18,478.04
  4. Step 4: Simplify right side
    26,744.90x = 741,137,907.96
  5. Step 5: Solve for x
    x = 741,137,907.96/26,744.90
  6. Step 6: Final answer
    x = 27,711.38

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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.