Home / 26,209.96-39,296.40-8,435.11

Finding the Fourth Proportional to 26,209.96, 39,296.40 and 8,435.11

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Solution

The fourth proportional to 26,209.96, 39,296.40 and 8,435.11 is: 12,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,209.96 : 39,296.40 = 8,435.11 : x
  2. Step 2: Convert to fraction form
    26,209.96/39,296.40 = 8,435.11/x
  3. Step 3: Cross multiply
    26,209.96x = 39,296.40 × 8,435.11
  4. Step 4: Simplify right side
    26,209.96x = 331,469,456.60
  5. Step 5: Solve for x
    x = 331,469,456.60/26,209.96
  6. Step 6: Final answer
    x = 12,646.70

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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.