Home / 26,891.98-40,334.72-7,172.12

Finding the Fourth Proportional to 26,891.98, 40,334.72 and 7,172.12

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Solution

The fourth proportional to 26,891.98, 40,334.72 and 7,172.12 is: 10,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.98 : 40,334.72 = 7,172.12 : x
  2. Step 2: Convert to fraction form
    26,891.98/40,334.72 = 7,172.12/x
  3. Step 3: Cross multiply
    26,891.98x = 40,334.72 × 7,172.12
  4. Step 4: Simplify right side
    26,891.98x = 289,285,452.01
  5. Step 5: Solve for x
    x = 289,285,452.01/26,891.98
  6. Step 6: Final answer
    x = 10,757.31

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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.