Home / 27,361.21-41,027.80-12,557.27

Finding the Fourth Proportional to 27,361.21, 41,027.80 and 12,557.27

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Solution

The fourth proportional to 27,361.21, 41,027.80 and 12,557.27 is: 18,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,361.21 : 41,027.80 = 12,557.27 : x
  2. Step 2: Convert to fraction form
    27,361.21/41,027.80 = 12,557.27/x
  3. Step 3: Cross multiply
    27,361.21x = 41,027.80 × 12,557.27
  4. Step 4: Simplify right side
    27,361.21x = 515,197,162.11
  5. Step 5: Solve for x
    x = 515,197,162.11/27,361.21
  6. Step 6: Final answer
    x = 18,829.47

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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.