Home / 28,696.91-43,110.16-17,017.79

Finding the Fourth Proportional to 28,696.91, 43,110.16 and 17,017.79

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Solution

The fourth proportional to 28,696.91, 43,110.16 and 17,017.79 is: 25,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.91 : 43,110.16 = 17,017.79 : x
  2. Step 2: Convert to fraction form
    28,696.91/43,110.16 = 17,017.79/x
  3. Step 3: Cross multiply
    28,696.91x = 43,110.16 × 17,017.79
  4. Step 4: Simplify right side
    28,696.91x = 733,639,391.65
  5. Step 5: Solve for x
    x = 733,639,391.65/28,696.91
  6. Step 6: Final answer
    x = 25,565.11

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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.