Home / 23,742.87-32,743.49-20,384.61

Finding the Fourth Proportional to 23,742.87, 32,743.49 and 20,384.61

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Solution

The fourth proportional to 23,742.87, 32,743.49 and 20,384.61 is: 28,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.87 : 32,743.49 = 20,384.61 : x
  2. Step 2: Convert to fraction form
    23,742.87/32,743.49 = 20,384.61/x
  3. Step 3: Cross multiply
    23,742.87x = 32,743.49 × 20,384.61
  4. Step 4: Simplify right side
    23,742.87x = 667,463,171.77
  5. Step 5: Solve for x
    x = 667,463,171.77/23,742.87
  6. Step 6: Final answer
    x = 28,112.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.