Home / 26,872.82-40,308.54-7,151.55

Finding the Fourth Proportional to 26,872.82, 40,308.54 and 7,151.55

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Solution

The fourth proportional to 26,872.82, 40,308.54 and 7,151.55 is: 10,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.82 : 40,308.54 = 7,151.55 : x
  2. Step 2: Convert to fraction form
    26,872.82/40,308.54 = 7,151.55/x
  3. Step 3: Cross multiply
    26,872.82x = 40,308.54 × 7,151.55
  4. Step 4: Simplify right side
    26,872.82x = 288,268,539.24
  5. Step 5: Solve for x
    x = 288,268,539.24/26,872.82
  6. Step 6: Final answer
    x = 10,727.14

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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.