Home / 22,949.13-31,668.52-12,876.65

Finding the Fourth Proportional to 22,949.13, 31,668.52 and 12,876.65

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Solution

The fourth proportional to 22,949.13, 31,668.52 and 12,876.65 is: 17,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.13 : 31,668.52 = 12,876.65 : x
  2. Step 2: Convert to fraction form
    22,949.13/31,668.52 = 12,876.65/x
  3. Step 3: Cross multiply
    22,949.13x = 31,668.52 × 12,876.65
  4. Step 4: Simplify right side
    22,949.13x = 407,784,448.06
  5. Step 5: Solve for x
    x = 407,784,448.06/22,949.13
  6. Step 6: Final answer
    x = 17,769.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.