Home / 26,231.20-39,289.20-22,775.20

Finding the Fourth Proportional to 26,231.20, 39,289.20 and 22,775.20

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Solution

The fourth proportional to 26,231.20, 39,289.20 and 22,775.20 is: 34,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.20 : 39,289.20 = 22,775.20 : x
  2. Step 2: Convert to fraction form
    26,231.20/39,289.20 = 22,775.20/x
  3. Step 3: Cross multiply
    26,231.20x = 39,289.20 × 22,775.20
  4. Step 4: Simplify right side
    26,231.20x = 894,819,387.84
  5. Step 5: Solve for x
    x = 894,819,387.84/26,231.20
  6. Step 6: Final answer
    x = 34,112.79

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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.