Home / 28,869.75-39,841.20-16,294.50

Finding the Fourth Proportional to 28,869.75, 39,841.20 and 16,294.50

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Solution

The fourth proportional to 28,869.75, 39,841.20 and 16,294.50 is: 22,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.75 : 39,841.20 = 16,294.50 : x
  2. Step 2: Convert to fraction form
    28,869.75/39,841.20 = 16,294.50/x
  3. Step 3: Cross multiply
    28,869.75x = 39,841.20 × 16,294.50
  4. Step 4: Simplify right side
    28,869.75x = 649,192,433.40
  5. Step 5: Solve for x
    x = 649,192,433.40/28,869.75
  6. Step 6: Final answer
    x = 22,486.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.