Home / 28,716.80-43,081.26-14,493.38

Finding the Fourth Proportional to 28,716.80, 43,081.26 and 14,493.38

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Solution

The fourth proportional to 28,716.80, 43,081.26 and 14,493.38 is: 21,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.80 : 43,081.26 = 14,493.38 : x
  2. Step 2: Convert to fraction form
    28,716.80/43,081.26 = 14,493.38/x
  3. Step 3: Cross multiply
    28,716.80x = 43,081.26 × 14,493.38
  4. Step 4: Simplify right side
    28,716.80x = 624,393,072.06
  5. Step 5: Solve for x
    x = 624,393,072.06/28,716.80
  6. Step 6: Final answer
    x = 21,743.13

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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.