Home / 26,161.21-39,241.50-6,439.94

Finding the Fourth Proportional to 26,161.21, 39,241.50 and 6,439.94

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Solution

The fourth proportional to 26,161.21, 39,241.50 and 6,439.94 is: 9,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.21 : 39,241.50 = 6,439.94 : x
  2. Step 2: Convert to fraction form
    26,161.21/39,241.50 = 6,439.94/x
  3. Step 3: Cross multiply
    26,161.21x = 39,241.50 × 6,439.94
  4. Step 4: Simplify right side
    26,161.21x = 252,712,832.31
  5. Step 5: Solve for x
    x = 252,712,832.31/26,161.21
  6. Step 6: Final answer
    x = 9,659.83

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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.