Home / 26,892.20-40,339.20-7,172.75

Finding the Fourth Proportional to 26,892.20, 40,339.20 and 7,172.75

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Solution

The fourth proportional to 26,892.20, 40,339.20 and 7,172.75 is: 10,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.20 : 40,339.20 = 7,172.75 : x
  2. Step 2: Convert to fraction form
    26,892.20/40,339.20 = 7,172.75/x
  3. Step 3: Cross multiply
    26,892.20x = 40,339.20 × 7,172.75
  4. Step 4: Simplify right side
    26,892.20x = 289,342,996.80
  5. Step 5: Solve for x
    x = 289,342,996.80/26,892.20
  6. Step 6: Final answer
    x = 10,759.37

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1.5x scale

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.