Home / 28,523.07-42,791.18-13,744.44

Finding the Fourth Proportional to 28,523.07, 42,791.18 and 13,744.44

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Solution

The fourth proportional to 28,523.07, 42,791.18 and 13,744.44 is: 20,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523.07 : 42,791.18 = 13,744.44 : x
  2. Step 2: Convert to fraction form
    28,523.07/42,791.18 = 13,744.44/x
  3. Step 3: Cross multiply
    28,523.07x = 42,791.18 × 13,744.44
  4. Step 4: Simplify right side
    28,523.07x = 588,140,737.32
  5. Step 5: Solve for x
    x = 588,140,737.32/28,523.07
  6. Step 6: Final answer
    x = 20,619.83

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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.