Home / 26,906.22-40,354.56-8,181.72

Finding the Fourth Proportional to 26,906.22, 40,354.56 and 8,181.72

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Solution

The fourth proportional to 26,906.22, 40,354.56 and 8,181.72 is: 12,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,906.22 : 40,354.56 = 8,181.72 : x
  2. Step 2: Convert to fraction form
    26,906.22/40,354.56 = 8,181.72/x
  3. Step 3: Cross multiply
    26,906.22x = 40,354.56 × 8,181.72
  4. Step 4: Simplify right side
    26,906.22x = 330,169,710.64
  5. Step 5: Solve for x
    x = 330,169,710.64/26,906.22
  6. Step 6: Final answer
    x = 12,271.13

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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.