Home / 28,163.88-38,859.24-17,259.04

Finding the Fourth Proportional to 28,163.88, 38,859.24 and 17,259.04

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Solution

The fourth proportional to 28,163.88, 38,859.24 and 17,259.04 is: 23,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.88 : 38,859.24 = 17,259.04 : x
  2. Step 2: Convert to fraction form
    28,163.88/38,859.24 = 17,259.04/x
  3. Step 3: Cross multiply
    28,163.88x = 38,859.24 × 17,259.04
  4. Step 4: Simplify right side
    28,163.88x = 670,673,177.53
  5. Step 5: Solve for x
    x = 670,673,177.53/28,163.88
  6. Step 6: Final answer
    x = 23,813.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.