Home / 18,976.33-28,512.93-14,340.06

Finding the Fourth Proportional to 18,976.33, 28,512.93 and 14,340.06

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Solution

The fourth proportional to 18,976.33, 28,512.93 and 14,340.06 is: 21,546.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.33 : 28,512.93 = 14,340.06 : x
  2. Step 2: Convert to fraction form
    18,976.33/28,512.93 = 14,340.06/x
  3. Step 3: Cross multiply
    18,976.33x = 28,512.93 × 14,340.06
  4. Step 4: Simplify right side
    18,976.33x = 408,876,984.72
  5. Step 5: Solve for x
    x = 408,876,984.72/18,976.33
  6. Step 6: Final answer
    x = 21,546.69

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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.