Home / 26,270.40-39,285.72-19,611.48

Finding the Fourth Proportional to 26,270.40, 39,285.72 and 19,611.48

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Solution

The fourth proportional to 26,270.40, 39,285.72 and 19,611.48 is: 29,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.40 : 39,285.72 = 19,611.48 : x
  2. Step 2: Convert to fraction form
    26,270.40/39,285.72 = 19,611.48/x
  3. Step 3: Cross multiply
    26,270.40x = 39,285.72 × 19,611.48
  4. Step 4: Simplify right side
    26,270.40x = 770,451,112.07
  5. Step 5: Solve for x
    x = 770,451,112.07/26,270.40
  6. Step 6: Final answer
    x = 29,327.73

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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.