Home / 28,016.40-41,938.20-16,294.80

Finding the Fourth Proportional to 28,016.40, 41,938.20 and 16,294.80

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Solution

The fourth proportional to 28,016.40, 41,938.20 and 16,294.80 is: 24,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.40 : 41,938.20 = 16,294.80 : x
  2. Step 2: Convert to fraction form
    28,016.40/41,938.20 = 16,294.80/x
  3. Step 3: Cross multiply
    28,016.40x = 41,938.20 × 16,294.80
  4. Step 4: Simplify right side
    28,016.40x = 683,374,581.36
  5. Step 5: Solve for x
    x = 683,374,581.36/28,016.40
  6. Step 6: Final answer
    x = 24,391.95

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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.