Home / 26,581.87-39,871.48-9,940.68

Finding the Fourth Proportional to 26,581.87, 39,871.48 and 9,940.68

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Solution

The fourth proportional to 26,581.87, 39,871.48 and 9,940.68 is: 14,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.87 : 39,871.48 = 9,940.68 : x
  2. Step 2: Convert to fraction form
    26,581.87/39,871.48 = 9,940.68/x
  3. Step 3: Cross multiply
    26,581.87x = 39,871.48 × 9,940.68
  4. Step 4: Simplify right side
    26,581.87x = 396,349,589.53
  5. Step 5: Solve for x
    x = 396,349,589.53/26,581.87
  6. Step 6: Final answer
    x = 14,910.52

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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.