Home / 28,968.67-43,450.26-9,243.78

Finding the Fourth Proportional to 28,968.67, 43,450.26 and 9,243.78

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Solution

The fourth proportional to 28,968.67, 43,450.26 and 9,243.78 is: 13,864.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.67 : 43,450.26 = 9,243.78 : x
  2. Step 2: Convert to fraction form
    28,968.67/43,450.26 = 9,243.78/x
  3. Step 3: Cross multiply
    28,968.67x = 43,450.26 × 9,243.78
  4. Step 4: Simplify right side
    28,968.67x = 401,644,644.38
  5. Step 5: Solve for x
    x = 401,644,644.38/28,968.67
  6. Step 6: Final answer
    x = 13,864.79

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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.