Home / 28,080.99-42,092.33-11,433.87

Finding the Fourth Proportional to 28,080.99, 42,092.33 and 11,433.87

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Solution

The fourth proportional to 28,080.99, 42,092.33 and 11,433.87 is: 17,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.99 : 42,092.33 = 11,433.87 : x
  2. Step 2: Convert to fraction form
    28,080.99/42,092.33 = 11,433.87/x
  3. Step 3: Cross multiply
    28,080.99x = 42,092.33 × 11,433.87
  4. Step 4: Simplify right side
    28,080.99x = 481,278,172.05
  5. Step 5: Solve for x
    x = 481,278,172.05/28,080.99
  6. Step 6: Final answer
    x = 17,138.93

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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.