Home / 28,895.80-43,343.84-12,251.65

Finding the Fourth Proportional to 28,895.80, 43,343.84 and 12,251.65

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Solution

The fourth proportional to 28,895.80, 43,343.84 and 12,251.65 is: 18,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.80 : 43,343.84 = 12,251.65 : x
  2. Step 2: Convert to fraction form
    28,895.80/43,343.84 = 12,251.65/x
  3. Step 3: Cross multiply
    28,895.80x = 43,343.84 × 12,251.65
  4. Step 4: Simplify right side
    28,895.80x = 531,033,557.34
  5. Step 5: Solve for x
    x = 531,033,557.34/28,895.80
  6. Step 6: Final answer
    x = 18,377.53

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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.