Home / 28,947.30-43,474.43-17,331.90

Finding the Fourth Proportional to 28,947.30, 43,474.43 and 17,331.90

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Solution

The fourth proportional to 28,947.30, 43,474.43 and 17,331.90 is: 26,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.30 : 43,474.43 = 17,331.90 : x
  2. Step 2: Convert to fraction form
    28,947.30/43,474.43 = 17,331.90/x
  3. Step 3: Cross multiply
    28,947.30x = 43,474.43 × 17,331.90
  4. Step 4: Simplify right side
    28,947.30x = 753,494,473.32
  5. Step 5: Solve for x
    x = 753,494,473.32/28,947.30
  6. Step 6: Final answer
    x = 26,029.87

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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.