Home / 28,107.54-42,162.66-10,576.04

Finding the Fourth Proportional to 28,107.54, 42,162.66 and 10,576.04

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Solution

The fourth proportional to 28,107.54, 42,162.66 and 10,576.04 is: 15,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.54 : 42,162.66 = 10,576.04 : x
  2. Step 2: Convert to fraction form
    28,107.54/42,162.66 = 10,576.04/x
  3. Step 3: Cross multiply
    28,107.54x = 42,162.66 × 10,576.04
  4. Step 4: Simplify right side
    28,107.54x = 445,913,767.85
  5. Step 5: Solve for x
    x = 445,913,767.85/28,107.54
  6. Step 6: Final answer
    x = 15,864.56

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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.