Home / 28,727.22-39,643.50-16,151.97

Finding the Fourth Proportional to 28,727.22, 39,643.50 and 16,151.97

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Solution

The fourth proportional to 28,727.22, 39,643.50 and 16,151.97 is: 22,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.22 : 39,643.50 = 16,151.97 : x
  2. Step 2: Convert to fraction form
    28,727.22/39,643.50 = 16,151.97/x
  3. Step 3: Cross multiply
    28,727.22x = 39,643.50 × 16,151.97
  4. Step 4: Simplify right side
    28,727.22x = 640,320,622.70
  5. Step 5: Solve for x
    x = 640,320,622.70/28,727.22
  6. Step 6: Final answer
    x = 22,289.68

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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.