Home / 28,744.50-43,116.81-7,968.06

Finding the Fourth Proportional to 28,744.50, 43,116.81 and 7,968.06

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Solution

The fourth proportional to 28,744.50, 43,116.81 and 7,968.06 is: 11,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.50 : 43,116.81 = 7,968.06 : x
  2. Step 2: Convert to fraction form
    28,744.50/43,116.81 = 7,968.06/x
  3. Step 3: Cross multiply
    28,744.50x = 43,116.81 × 7,968.06
  4. Step 4: Simplify right side
    28,744.50x = 343,557,329.09
  5. Step 5: Solve for x
    x = 343,557,329.09/28,744.50
  6. Step 6: Final answer
    x = 11,952.11

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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.