Home / 26,219.10-39,295.80-20,650.44

Finding the Fourth Proportional to 26,219.10, 39,295.80 and 20,650.44

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Solution

The fourth proportional to 26,219.10, 39,295.80 and 20,650.44 is: 30,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,219.10 : 39,295.80 = 20,650.44 : x
  2. Step 2: Convert to fraction form
    26,219.10/39,295.80 = 20,650.44/x
  3. Step 3: Cross multiply
    26,219.10x = 39,295.80 × 20,650.44
  4. Step 4: Simplify right side
    26,219.10x = 811,475,560.15
  5. Step 5: Solve for x
    x = 811,475,560.15/26,219.10
  6. Step 6: Final answer
    x = 30,949.79

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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.