Home / 26,814.20-40,221.30-9,278.20

Finding the Fourth Proportional to 26,814.20, 40,221.30 and 9,278.20

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Solution

The fourth proportional to 26,814.20, 40,221.30 and 9,278.20 is: 13,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,814.20 : 40,221.30 = 9,278.20 : x
  2. Step 2: Convert to fraction form
    26,814.20/40,221.30 = 9,278.20/x
  3. Step 3: Cross multiply
    26,814.20x = 40,221.30 × 9,278.20
  4. Step 4: Simplify right side
    26,814.20x = 373,181,265.66
  5. Step 5: Solve for x
    x = 373,181,265.66/26,814.20
  6. Step 6: Final answer
    x = 13,917.30

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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.