Home / 28,816.75-43,227.96-8,040.25

Finding the Fourth Proportional to 28,816.75, 43,227.96 and 8,040.25

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Solution

The fourth proportional to 28,816.75, 43,227.96 and 8,040.25 is: 12,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.75 : 43,227.96 = 8,040.25 : x
  2. Step 2: Convert to fraction form
    28,816.75/43,227.96 = 8,040.25/x
  3. Step 3: Cross multiply
    28,816.75x = 43,227.96 × 8,040.25
  4. Step 4: Simplify right side
    28,816.75x = 347,563,605.39
  5. Step 5: Solve for x
    x = 347,563,605.39/28,816.75
  6. Step 6: Final answer
    x = 12,061.17

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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.