Home / 26,828.06-40,268.58-20,141.30

Finding the Fourth Proportional to 26,828.06, 40,268.58 and 20,141.30

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Solution

The fourth proportional to 26,828.06, 40,268.58 and 20,141.30 is: 30,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.06 : 40,268.58 = 20,141.30 : x
  2. Step 2: Convert to fraction form
    26,828.06/40,268.58 = 20,141.30/x
  3. Step 3: Cross multiply
    26,828.06x = 40,268.58 × 20,141.30
  4. Step 4: Simplify right side
    26,828.06x = 811,061,550.35
  5. Step 5: Solve for x
    x = 811,061,550.35/26,828.06
  6. Step 6: Final answer
    x = 30,231.84

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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.