Home / 26,761.84-40,167.68-13,624.04

Finding the Fourth Proportional to 26,761.84, 40,167.68 and 13,624.04

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Solution

The fourth proportional to 26,761.84, 40,167.68 and 13,624.04 is: 20,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.84 : 40,167.68 = 13,624.04 : x
  2. Step 2: Convert to fraction form
    26,761.84/40,167.68 = 13,624.04/x
  3. Step 3: Cross multiply
    26,761.84x = 40,167.68 × 13,624.04
  4. Step 4: Simplify right side
    26,761.84x = 547,246,079.03
  5. Step 5: Solve for x
    x = 547,246,079.03/26,761.84
  6. Step 6: Final answer
    x = 20,448.75

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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.