Home / 28,868.04-43,304.82-8,091.48

Finding the Fourth Proportional to 28,868.04, 43,304.82 and 8,091.48

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Solution

The fourth proportional to 28,868.04, 43,304.82 and 8,091.48 is: 12,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.04 : 43,304.82 = 8,091.48 : x
  2. Step 2: Convert to fraction form
    28,868.04/43,304.82 = 8,091.48/x
  3. Step 3: Cross multiply
    28,868.04x = 43,304.82 × 8,091.48
  4. Step 4: Simplify right side
    28,868.04x = 350,400,084.93
  5. Step 5: Solve for x
    x = 350,400,084.93/28,868.04
  6. Step 6: Final answer
    x = 12,137.99

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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.