Home / 28,847.13-43,272.31-8,072.25

Finding the Fourth Proportional to 28,847.13, 43,272.31 and 8,072.25

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Solution

The fourth proportional to 28,847.13, 43,272.31 and 8,072.25 is: 12,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.13 : 43,272.31 = 8,072.25 : x
  2. Step 2: Convert to fraction form
    28,847.13/43,272.31 = 8,072.25/x
  3. Step 3: Cross multiply
    28,847.13x = 43,272.31 × 8,072.25
  4. Step 4: Simplify right side
    28,847.13x = 349,304,904.40
  5. Step 5: Solve for x
    x = 349,304,904.40/28,847.13
  6. Step 6: Final answer
    x = 12,108.83

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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.