Home / 28,824.97-39,776.75-16,724.52

Finding the Fourth Proportional to 28,824.97, 39,776.75 and 16,724.52

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Solution

The fourth proportional to 28,824.97, 39,776.75 and 16,724.52 is: 23,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.97 : 39,776.75 = 16,724.52 : x
  2. Step 2: Convert to fraction form
    28,824.97/39,776.75 = 16,724.52/x
  3. Step 3: Cross multiply
    28,824.97x = 39,776.75 × 16,724.52
  4. Step 4: Simplify right side
    28,824.97x = 665,246,909.66
  5. Step 5: Solve for x
    x = 665,246,909.66/28,824.97
  6. Step 6: Final answer
    x = 23,078.84

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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.