Home / 28,982.82-39,990.50-17,644.74

Finding the Fourth Proportional to 28,982.82, 39,990.50 and 17,644.74

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Solution

The fourth proportional to 28,982.82, 39,990.50 and 17,644.74 is: 24,346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.82 : 39,990.50 = 17,644.74 : x
  2. Step 2: Convert to fraction form
    28,982.82/39,990.50 = 17,644.74/x
  3. Step 3: Cross multiply
    28,982.82x = 39,990.50 × 17,644.74
  4. Step 4: Simplify right side
    28,982.82x = 705,621,974.97
  5. Step 5: Solve for x
    x = 705,621,974.97/28,982.82
  6. Step 6: Final answer
    x = 24,346.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.