Home / 26,220.54-39,297.96-20,651.88

Finding the Fourth Proportional to 26,220.54, 39,297.96 and 20,651.88

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Solution

The fourth proportional to 26,220.54, 39,297.96 and 20,651.88 is: 30,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.54 : 39,297.96 = 20,651.88 : x
  2. Step 2: Convert to fraction form
    26,220.54/39,297.96 = 20,651.88/x
  3. Step 3: Cross multiply
    26,220.54x = 39,297.96 × 20,651.88
  4. Step 4: Simplify right side
    26,220.54x = 811,576,754.16
  5. Step 5: Solve for x
    x = 811,576,754.16/26,220.54
  6. Step 6: Final answer
    x = 30,951.95

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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.