Home / 28,828.28-43,246.94-7,769.14

Finding the Fourth Proportional to 28,828.28, 43,246.94 and 7,769.14

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Solution

The fourth proportional to 28,828.28, 43,246.94 and 7,769.14 is: 11,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.28 : 43,246.94 = 7,769.14 : x
  2. Step 2: Convert to fraction form
    28,828.28/43,246.94 = 7,769.14/x
  3. Step 3: Cross multiply
    28,828.28x = 43,246.94 × 7,769.14
  4. Step 4: Simplify right side
    28,828.28x = 335,991,531.43
  5. Step 5: Solve for x
    x = 335,991,531.43/28,828.28
  6. Step 6: Final answer
    x = 11,654.93

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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.