Home / 28,982.10-43,517.70-15,860.10

Finding the Fourth Proportional to 28,982.10, 43,517.70 and 15,860.10

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Solution

The fourth proportional to 28,982.10, 43,517.70 and 15,860.10 is: 23,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.10 : 43,517.70 = 15,860.10 : x
  2. Step 2: Convert to fraction form
    28,982.10/43,517.70 = 15,860.10/x
  3. Step 3: Cross multiply
    28,982.10x = 43,517.70 × 15,860.10
  4. Step 4: Simplify right side
    28,982.10x = 690,195,073.77
  5. Step 5: Solve for x
    x = 690,195,073.77/28,982.10
  6. Step 6: Final answer
    x = 23,814.53

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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.