Home / 20,017.85-27,627.39-11,519.83

Finding the Fourth Proportional to 20,017.85, 27,627.39 and 11,519.83

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Solution

The fourth proportional to 20,017.85, 27,627.39 and 11,519.83 is: 15,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.85 : 27,627.39 = 11,519.83 : x
  2. Step 2: Convert to fraction form
    20,017.85/27,627.39 = 11,519.83/x
  3. Step 3: Cross multiply
    20,017.85x = 27,627.39 × 11,519.83
  4. Step 4: Simplify right side
    20,017.85x = 318,262,925.73
  5. Step 5: Solve for x
    x = 318,262,925.73/20,017.85
  6. Step 6: Final answer
    x = 15,898.96

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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.