Home / 72,247.25-108,378.18-27,257.33

Finding the Fourth Proportional to 72,247.25, 108,378.18 and 27,257.33

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Solution

The fourth proportional to 72,247.25, 108,378.18 and 27,257.33 is: 40,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,247.25 : 108,378.18 = 27,257.33 : x
  2. Step 2: Convert to fraction form
    72,247.25/108,378.18 = 27,257.33/x
  3. Step 3: Cross multiply
    72,247.25x = 108,378.18 × 27,257.33
  4. Step 4: Simplify right side
    72,247.25x = 2,954,100,088.00
  5. Step 5: Solve for x
    x = 2,954,100,088.00/72,247.25
  6. Step 6: Final answer
    x = 40,888.75

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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.