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Finding the Fourth Proportional to 26,672.70, 39,965.85 and 22,266.30

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Solution

The fourth proportional to 26,672.70, 39,965.85 and 22,266.30 is: 33,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.70 : 39,965.85 = 22,266.30 : x
  2. Step 2: Convert to fraction form
    26,672.70/39,965.85 = 22,266.30/x
  3. Step 3: Cross multiply
    26,672.70x = 39,965.85 × 22,266.30
  4. Step 4: Simplify right side
    26,672.70x = 889,891,605.86
  5. Step 5: Solve for x
    x = 889,891,605.86/26,672.70
  6. Step 6: Final answer
    x = 33,363.39

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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.