Home / 26,778.21-40,169.07-9,245.76

Finding the Fourth Proportional to 26,778.21, 40,169.07 and 9,245.76

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Solution

The fourth proportional to 26,778.21, 40,169.07 and 9,245.76 is: 13,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.21 : 40,169.07 = 9,245.76 : x
  2. Step 2: Convert to fraction form
    26,778.21/40,169.07 = 9,245.76/x
  3. Step 3: Cross multiply
    26,778.21x = 40,169.07 × 9,245.76
  4. Step 4: Simplify right side
    26,778.21x = 371,393,580.64
  5. Step 5: Solve for x
    x = 371,393,580.64/26,778.21
  6. Step 6: Final answer
    x = 13,869.25

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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.