Home / 15,121.32-22,679.80-4,027

Finding the Fourth Proportional to 15,121.32, 22,679.80 and 4,027

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Solution

The fourth proportional to 15,121.32, 22,679.80 and 4,027 is: 6,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.32 : 22,679.80 = 4,027 : x
  2. Step 2: Convert to fraction form
    15,121.32/22,679.80 = 4,027/x
  3. Step 3: Cross multiply
    15,121.32x = 22,679.80 × 4,027
  4. Step 4: Simplify right side
    15,121.32x = 91,331,554.60
  5. Step 5: Solve for x
    x = 91,331,554.60/15,121.32
  6. Step 6: Final answer
    x = 6,039.92

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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.