Home / 28,936.83-39,916.22-16,997.97

Finding the Fourth Proportional to 28,936.83, 39,916.22 and 16,997.97

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Solution

The fourth proportional to 28,936.83, 39,916.22 and 16,997.97 is: 23,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.83 : 39,916.22 = 16,997.97 : x
  2. Step 2: Convert to fraction form
    28,936.83/39,916.22 = 16,997.97/x
  3. Step 3: Cross multiply
    28,936.83x = 39,916.22 × 16,997.97
  4. Step 4: Simplify right side
    28,936.83x = 678,494,625.08
  5. Step 5: Solve for x
    x = 678,494,625.08/28,936.83
  6. Step 6: Final answer
    x = 23,447.44

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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.