Home / 28,947.70-43,428.38-23,046.90

Finding the Fourth Proportional to 28,947.70, 43,428.38 and 23,046.90

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Solution

The fourth proportional to 28,947.70, 43,428.38 and 23,046.90 is: 34,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.70 : 43,428.38 = 23,046.90 : x
  2. Step 2: Convert to fraction form
    28,947.70/43,428.38 = 23,046.90/x
  3. Step 3: Cross multiply
    28,947.70x = 43,428.38 × 23,046.90
  4. Step 4: Simplify right side
    28,947.70x = 1,000,889,531.02
  5. Step 5: Solve for x
    x = 1,000,889,531.02/28,947.70
  6. Step 6: Final answer
    x = 34,575.79

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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.