Home / 28,736.66-39,656.97-16,161.41

Finding the Fourth Proportional to 28,736.66, 39,656.97 and 16,161.41

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Solution

The fourth proportional to 28,736.66, 39,656.97 and 16,161.41 is: 22,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736.66 : 39,656.97 = 16,161.41 : x
  2. Step 2: Convert to fraction form
    28,736.66/39,656.97 = 16,161.41/x
  3. Step 3: Cross multiply
    28,736.66x = 39,656.97 × 16,161.41
  4. Step 4: Simplify right side
    28,736.66x = 640,912,353.24
  5. Step 5: Solve for x
    x = 640,912,353.24/28,736.66
  6. Step 6: Final answer
    x = 22,302.96

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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.