Home / 28,034.91-42,024-18,180.45

Finding the Fourth Proportional to 28,034.91, 42,024 and 18,180.45

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Solution

The fourth proportional to 28,034.91, 42,024 and 18,180.45 is: 27,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.91 : 42,024 = 18,180.45 : x
  2. Step 2: Convert to fraction form
    28,034.91/42,024 = 18,180.45/x
  3. Step 3: Cross multiply
    28,034.91x = 42,024 × 18,180.45
  4. Step 4: Simplify right side
    28,034.91x = 764,015,230.80
  5. Step 5: Solve for x
    x = 764,015,230.80/28,034.91
  6. Step 6: Final answer
    x = 27,252.28

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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.