Home / 26,808.30-40,241.88-21,297.06

Finding the Fourth Proportional to 26,808.30, 40,241.88 and 21,297.06

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Solution

The fourth proportional to 26,808.30, 40,241.88 and 21,297.06 is: 31,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,808.30 : 40,241.88 = 21,297.06 : x
  2. Step 2: Convert to fraction form
    26,808.30/40,241.88 = 21,297.06/x
  3. Step 3: Cross multiply
    26,808.30x = 40,241.88 × 21,297.06
  4. Step 4: Simplify right side
    26,808.30x = 857,033,732.87
  5. Step 5: Solve for x
    x = 857,033,732.87/26,808.30
  6. Step 6: Final answer
    x = 31,968.97

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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.