Home / 17,420.06-24,028.75-13,891.70

Finding the Fourth Proportional to 17,420.06, 24,028.75 and 13,891.70

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Solution

The fourth proportional to 17,420.06, 24,028.75 and 13,891.70 is: 19,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.06 : 24,028.75 = 13,891.70 : x
  2. Step 2: Convert to fraction form
    17,420.06/24,028.75 = 13,891.70/x
  3. Step 3: Cross multiply
    17,420.06x = 24,028.75 × 13,891.70
  4. Step 4: Simplify right side
    17,420.06x = 333,800,263.81
  5. Step 5: Solve for x
    x = 333,800,263.81/17,420.06
  6. Step 6: Final answer
    x = 19,161.83

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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.