Home / 20,201.71-27,875.10-11,704.61

Finding the Fourth Proportional to 20,201.71, 27,875.10 and 11,704.61

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Solution

The fourth proportional to 20,201.71, 27,875.10 and 11,704.61 is: 16,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.71 : 27,875.10 = 11,704.61 : x
  2. Step 2: Convert to fraction form
    20,201.71/27,875.10 = 11,704.61/x
  3. Step 3: Cross multiply
    20,201.71x = 27,875.10 × 11,704.61
  4. Step 4: Simplify right side
    20,201.71x = 326,267,174.21
  5. Step 5: Solve for x
    x = 326,267,174.21/20,201.71
  6. Step 6: Final answer
    x = 16,150.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.