Home / 18,299.32-27,405.22-17,380.80

Finding the Fourth Proportional to 18,299.32, 27,405.22 and 17,380.80

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Solution

The fourth proportional to 18,299.32, 27,405.22 and 17,380.80 is: 26,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.32 : 27,405.22 = 17,380.80 : x
  2. Step 2: Convert to fraction form
    18,299.32/27,405.22 = 17,380.80/x
  3. Step 3: Cross multiply
    18,299.32x = 27,405.22 × 17,380.80
  4. Step 4: Simplify right side
    18,299.32x = 476,324,647.78
  5. Step 5: Solve for x
    x = 476,324,647.78/18,299.32
  6. Step 6: Final answer
    x = 26,029.64

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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.