Home / 26,678.32-40,023.56-9,147.09

Finding the Fourth Proportional to 26,678.32, 40,023.56 and 9,147.09

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Solution

The fourth proportional to 26,678.32, 40,023.56 and 9,147.09 is: 13,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.32 : 40,023.56 = 9,147.09 : x
  2. Step 2: Convert to fraction form
    26,678.32/40,023.56 = 9,147.09/x
  3. Step 3: Cross multiply
    26,678.32x = 40,023.56 × 9,147.09
  4. Step 4: Simplify right side
    26,678.32x = 366,099,105.44
  5. Step 5: Solve for x
    x = 366,099,105.44/26,678.32
  6. Step 6: Final answer
    x = 13,722.72

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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.