Home / 28,008.40-41,926.20-16,286.80

Finding the Fourth Proportional to 28,008.40, 41,926.20 and 16,286.80

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Solution

The fourth proportional to 28,008.40, 41,926.20 and 16,286.80 is: 24,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008.40 : 41,926.20 = 16,286.80 : x
  2. Step 2: Convert to fraction form
    28,008.40/41,926.20 = 16,286.80/x
  3. Step 3: Cross multiply
    28,008.40x = 41,926.20 × 16,286.80
  4. Step 4: Simplify right side
    28,008.40x = 682,843,634.16
  5. Step 5: Solve for x
    x = 682,843,634.16/28,008.40
  6. Step 6: Final answer
    x = 24,379.96

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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.