Home / 20,243.74-30,284.50-17,499.96

Finding the Fourth Proportional to 20,243.74, 30,284.50 and 17,499.96

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Solution

The fourth proportional to 20,243.74, 30,284.50 and 17,499.96 is: 26,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.74 : 30,284.50 = 17,499.96 : x
  2. Step 2: Convert to fraction form
    20,243.74/30,284.50 = 17,499.96/x
  3. Step 3: Cross multiply
    20,243.74x = 30,284.50 × 17,499.96
  4. Step 4: Simplify right side
    20,243.74x = 529,977,607.18
  5. Step 5: Solve for x
    x = 529,977,607.18/20,243.74
  6. Step 6: Final answer
    x = 26,179.83

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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.