Home / 17,694.10-26,528.84-7,828

Finding the Fourth Proportional to 17,694.10, 26,528.84 and 7,828

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Solution

The fourth proportional to 17,694.10, 26,528.84 and 7,828 is: 11,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,694.10 : 26,528.84 = 7,828 : x
  2. Step 2: Convert to fraction form
    17,694.10/26,528.84 = 7,828/x
  3. Step 3: Cross multiply
    17,694.10x = 26,528.84 × 7,828
  4. Step 4: Simplify right side
    17,694.10x = 207,667,759.52
  5. Step 5: Solve for x
    x = 207,667,759.52/17,694.10
  6. Step 6: Final answer
    x = 11,736.55

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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.