Home / 26,427.82-39,641.80-8,909.96

Finding the Fourth Proportional to 26,427.82, 39,641.80 and 8,909.96

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Solution

The fourth proportional to 26,427.82, 39,641.80 and 8,909.96 is: 13,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.82 : 39,641.80 = 8,909.96 : x
  2. Step 2: Convert to fraction form
    26,427.82/39,641.80 = 8,909.96/x
  3. Step 3: Cross multiply
    26,427.82x = 39,641.80 × 8,909.96
  4. Step 4: Simplify right side
    26,427.82x = 353,206,852.33
  5. Step 5: Solve for x
    x = 353,206,852.33/26,427.82
  6. Step 6: Final answer
    x = 13,364.96

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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.