Home / 18,261.27-27,457.11-16,817.85

Finding the Fourth Proportional to 18,261.27, 27,457.11 and 16,817.85

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Solution

The fourth proportional to 18,261.27, 27,457.11 and 16,817.85 is: 25,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.27 : 27,457.11 = 16,817.85 : x
  2. Step 2: Convert to fraction form
    18,261.27/27,457.11 = 16,817.85/x
  3. Step 3: Cross multiply
    18,261.27x = 27,457.11 × 16,817.85
  4. Step 4: Simplify right side
    18,261.27x = 461,769,557.41
  5. Step 5: Solve for x
    x = 461,769,557.41/18,261.27
  6. Step 6: Final answer
    x = 25,286.83

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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.