Home / 19,950.23-27,542.57-13,245.03

Finding the Fourth Proportional to 19,950.23, 27,542.57 and 13,245.03

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Solution

The fourth proportional to 19,950.23, 27,542.57 and 13,245.03 is: 18,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.23 : 27,542.57 = 13,245.03 : x
  2. Step 2: Convert to fraction form
    19,950.23/27,542.57 = 13,245.03/x
  3. Step 3: Cross multiply
    19,950.23x = 27,542.57 × 13,245.03
  4. Step 4: Simplify right side
    19,950.23x = 364,801,961.99
  5. Step 5: Solve for x
    x = 364,801,961.99/19,950.23
  6. Step 6: Final answer
    x = 18,285.60

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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.