Home / 26,635.82-39,943.34-9,986.78

Finding the Fourth Proportional to 26,635.82, 39,943.34 and 9,986.78

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Solution

The fourth proportional to 26,635.82, 39,943.34 and 9,986.78 is: 14,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,635.82 : 39,943.34 = 9,986.78 : x
  2. Step 2: Convert to fraction form
    26,635.82/39,943.34 = 9,986.78/x
  3. Step 3: Cross multiply
    26,635.82x = 39,943.34 × 9,986.78
  4. Step 4: Simplify right side
    26,635.82x = 398,905,099.39
  5. Step 5: Solve for x
    x = 398,905,099.39/26,635.82
  6. Step 6: Final answer
    x = 14,976.27

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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.