Home / 18,027.32-27,040.28-8,166.56

Finding the Fourth Proportional to 18,027.32, 27,040.28 and 8,166.56

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Solution

The fourth proportional to 18,027.32, 27,040.28 and 8,166.56 is: 12,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.32 : 27,040.28 = 8,166.56 : x
  2. Step 2: Convert to fraction form
    18,027.32/27,040.28 = 8,166.56/x
  3. Step 3: Cross multiply
    18,027.32x = 27,040.28 × 8,166.56
  4. Step 4: Simplify right side
    18,027.32x = 220,826,069.04
  5. Step 5: Solve for x
    x = 220,826,069.04/18,027.32
  6. Step 6: Final answer
    x = 12,249.52

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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.