Home / 18,568.35-27,877.25-10,782.75

Finding the Fourth Proportional to 18,568.35, 27,877.25 and 10,782.75

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Solution

The fourth proportional to 18,568.35, 27,877.25 and 10,782.75 is: 16,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.35 : 27,877.25 = 10,782.75 : x
  2. Step 2: Convert to fraction form
    18,568.35/27,877.25 = 10,782.75/x
  3. Step 3: Cross multiply
    18,568.35x = 27,877.25 × 10,782.75
  4. Step 4: Simplify right side
    18,568.35x = 300,593,363.52
  5. Step 5: Solve for x
    x = 300,593,363.52/18,568.35
  6. Step 6: Final answer
    x = 16,188.48

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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.