Home / 27,327.53-40,991.30-21,096.64

Finding the Fourth Proportional to 27,327.53, 40,991.30 and 21,096.64

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Solution

The fourth proportional to 27,327.53, 40,991.30 and 21,096.64 is: 31,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,327.53 : 40,991.30 = 21,096.64 : x
  2. Step 2: Convert to fraction form
    27,327.53/40,991.30 = 21,096.64/x
  3. Step 3: Cross multiply
    27,327.53x = 40,991.30 × 21,096.64
  4. Step 4: Simplify right side
    27,327.53x = 864,778,493.52
  5. Step 5: Solve for x
    x = 864,778,493.52/27,327.53
  6. Step 6: Final answer
    x = 31,644.96

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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.