Home / 28,792.56-39,732.20-16,216.50

Finding the Fourth Proportional to 28,792.56, 39,732.20 and 16,216.50

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Solution

The fourth proportional to 28,792.56, 39,732.20 and 16,216.50 is: 22,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.56 : 39,732.20 = 16,216.50 : x
  2. Step 2: Convert to fraction form
    28,792.56/39,732.20 = 16,216.50/x
  3. Step 3: Cross multiply
    28,792.56x = 39,732.20 × 16,216.50
  4. Step 4: Simplify right side
    28,792.56x = 644,317,221.30
  5. Step 5: Solve for x
    x = 644,317,221.30/28,792.56
  6. Step 6: Final answer
    x = 22,377.91

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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.