Home / 26,820.59-40,221.77-9,286.31

Finding the Fourth Proportional to 26,820.59, 40,221.77 and 9,286.31

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Solution

The fourth proportional to 26,820.59, 40,221.77 and 9,286.31 is: 13,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.59 : 40,221.77 = 9,286.31 : x
  2. Step 2: Convert to fraction form
    26,820.59/40,221.77 = 9,286.31/x
  3. Step 3: Cross multiply
    26,820.59x = 40,221.77 × 9,286.31
  4. Step 4: Simplify right side
    26,820.59x = 373,511,879.09
  5. Step 5: Solve for x
    x = 373,511,879.09/26,820.59
  6. Step 6: Final answer
    x = 13,926.31

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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.