Home / 26,813.20-40,231.80-9,295.60

Finding the Fourth Proportional to 26,813.20, 40,231.80 and 9,295.60

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Solution

The fourth proportional to 26,813.20, 40,231.80 and 9,295.60 is: 13,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.20 : 40,231.80 = 9,295.60 : x
  2. Step 2: Convert to fraction form
    26,813.20/40,231.80 = 9,295.60/x
  3. Step 3: Cross multiply
    26,813.20x = 40,231.80 × 9,295.60
  4. Step 4: Simplify right side
    26,813.20x = 373,978,720.08
  5. Step 5: Solve for x
    x = 373,978,720.08/26,813.20
  6. Step 6: Final answer
    x = 13,947.56

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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.