Home / 28,028.65-42,007.43-27,732.03

Finding the Fourth Proportional to 28,028.65, 42,007.43 and 27,732.03

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Solution

The fourth proportional to 28,028.65, 42,007.43 and 27,732.03 is: 41,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.65 : 42,007.43 = 27,732.03 : x
  2. Step 2: Convert to fraction form
    28,028.65/42,007.43 = 27,732.03/x
  3. Step 3: Cross multiply
    28,028.65x = 42,007.43 × 27,732.03
  4. Step 4: Simplify right side
    28,028.65x = 1,164,951,308.98
  5. Step 5: Solve for x
    x = 1,164,951,308.98/28,028.65
  6. Step 6: Final answer
    x = 41,562.88

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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.