Home / 26,872.58-40,253.42-15,745.50

Finding the Fourth Proportional to 26,872.58, 40,253.42 and 15,745.50

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Solution

The fourth proportional to 26,872.58, 40,253.42 and 15,745.50 is: 23,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.58 : 40,253.42 = 15,745.50 : x
  2. Step 2: Convert to fraction form
    26,872.58/40,253.42 = 15,745.50/x
  3. Step 3: Cross multiply
    26,872.58x = 40,253.42 × 15,745.50
  4. Step 4: Simplify right side
    26,872.58x = 633,810,263.97
  5. Step 5: Solve for x
    x = 633,810,263.97/26,872.58
  6. Step 6: Final answer
    x = 23,585.77

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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.