Home / 28,976.22-43,464.33-15,121.98

Finding the Fourth Proportional to 28,976.22, 43,464.33 and 15,121.98

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Solution

The fourth proportional to 28,976.22, 43,464.33 and 15,121.98 is: 22,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976.22 : 43,464.33 = 15,121.98 : x
  2. Step 2: Convert to fraction form
    28,976.22/43,464.33 = 15,121.98/x
  3. Step 3: Cross multiply
    28,976.22x = 43,464.33 × 15,121.98
  4. Step 4: Simplify right side
    28,976.22x = 657,266,728.97
  5. Step 5: Solve for x
    x = 657,266,728.97/28,976.22
  6. Step 6: Final answer
    x = 22,682.97

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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.