Home / 26,845.80-40,230.30-19,770.60

Finding the Fourth Proportional to 26,845.80, 40,230.30 and 19,770.60

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Solution

The fourth proportional to 26,845.80, 40,230.30 and 19,770.60 is: 29,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.80 : 40,230.30 = 19,770.60 : x
  2. Step 2: Convert to fraction form
    26,845.80/40,230.30 = 19,770.60/x
  3. Step 3: Cross multiply
    26,845.80x = 40,230.30 × 19,770.60
  4. Step 4: Simplify right side
    26,845.80x = 795,377,169.18
  5. Step 5: Solve for x
    x = 795,377,169.18/26,845.80
  6. Step 6: Final answer
    x = 29,627.62

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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.