Home / 26,872.94-40,295.52-12,069.20

Finding the Fourth Proportional to 26,872.94, 40,295.52 and 12,069.20

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Solution

The fourth proportional to 26,872.94, 40,295.52 and 12,069.20 is: 18,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.94 : 40,295.52 = 12,069.20 : x
  2. Step 2: Convert to fraction form
    26,872.94/40,295.52 = 12,069.20/x
  3. Step 3: Cross multiply
    26,872.94x = 40,295.52 × 12,069.20
  4. Step 4: Simplify right side
    26,872.94x = 486,334,488.51
  5. Step 5: Solve for x
    x = 486,334,488.51/26,872.94
  6. Step 6: Final answer
    x = 18,097.56

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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.