Home / 23,189.26-31,998.26-13,756

Finding the Fourth Proportional to 23,189.26, 31,998.26 and 13,756

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Solution

The fourth proportional to 23,189.26, 31,998.26 and 13,756 is: 18,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189.26 : 31,998.26 = 13,756 : x
  2. Step 2: Convert to fraction form
    23,189.26/31,998.26 = 13,756/x
  3. Step 3: Cross multiply
    23,189.26x = 31,998.26 × 13,756
  4. Step 4: Simplify right side
    23,189.26x = 440,168,064.56
  5. Step 5: Solve for x
    x = 440,168,064.56/23,189.26
  6. Step 6: Final answer
    x = 18,981.55

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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.