Home / 26,019.58-39,029.31-20,105.06

Finding the Fourth Proportional to 26,019.58, 39,029.31 and 20,105.06

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Solution

The fourth proportional to 26,019.58, 39,029.31 and 20,105.06 is: 30,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.58 : 39,029.31 = 20,105.06 : x
  2. Step 2: Convert to fraction form
    26,019.58/39,029.31 = 20,105.06/x
  3. Step 3: Cross multiply
    26,019.58x = 39,029.31 × 20,105.06
  4. Step 4: Simplify right side
    26,019.58x = 784,686,716.88
  5. Step 5: Solve for x
    x = 784,686,716.88/26,019.58
  6. Step 6: Final answer
    x = 30,157.55

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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.