Home / 28,841.97-43,278.35-11,311.95

Finding the Fourth Proportional to 28,841.97, 43,278.35 and 11,311.95

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Solution

The fourth proportional to 28,841.97, 43,278.35 and 11,311.95 is: 16,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.97 : 43,278.35 = 11,311.95 : x
  2. Step 2: Convert to fraction form
    28,841.97/43,278.35 = 11,311.95/x
  3. Step 3: Cross multiply
    28,841.97x = 43,278.35 × 11,311.95
  4. Step 4: Simplify right side
    28,841.97x = 489,562,474.72
  5. Step 5: Solve for x
    x = 489,562,474.72/28,841.97
  6. Step 6: Final answer
    x = 16,973.96

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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.