Home / 26,231.20-39,351.60-10,650.40

Finding the Fourth Proportional to 26,231.20, 39,351.60 and 10,650.40

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Solution

The fourth proportional to 26,231.20, 39,351.60 and 10,650.40 is: 15,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.20 : 39,351.60 = 10,650.40 : x
  2. Step 2: Convert to fraction form
    26,231.20/39,351.60 = 10,650.40/x
  3. Step 3: Cross multiply
    26,231.20x = 39,351.60 × 10,650.40
  4. Step 4: Simplify right side
    26,231.20x = 419,110,280.64
  5. Step 5: Solve for x
    x = 419,110,280.64/26,231.20
  6. Step 6: Final answer
    x = 15,977.55

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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.