Home / 18,299.88-27,428.40-16,223.85

Finding the Fourth Proportional to 18,299.88, 27,428.40 and 16,223.85

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Solution

The fourth proportional to 18,299.88, 27,428.40 and 16,223.85 is: 24,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.88 : 27,428.40 = 16,223.85 : x
  2. Step 2: Convert to fraction form
    18,299.88/27,428.40 = 16,223.85/x
  3. Step 3: Cross multiply
    18,299.88x = 27,428.40 × 16,223.85
  4. Step 4: Simplify right side
    18,299.88x = 444,994,247.34
  5. Step 5: Solve for x
    x = 444,994,247.34/18,299.88
  6. Step 6: Final answer
    x = 24,316.78

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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.