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Finding the Fourth Proportional to 26,893.02, 40,338.99 and 8,425.02

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Solution

The fourth proportional to 26,893.02, 40,338.99 and 8,425.02 is: 12,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,893.02 : 40,338.99 = 8,425.02 : x
  2. Step 2: Convert to fraction form
    26,893.02/40,338.99 = 8,425.02/x
  3. Step 3: Cross multiply
    26,893.02x = 40,338.99 × 8,425.02
  4. Step 4: Simplify right side
    26,893.02x = 339,856,797.53
  5. Step 5: Solve for x
    x = 339,856,797.53/26,893.02
  6. Step 6: Final answer
    x = 12,637.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.