Home / 25,231.28-34,820.78-13,900.77

Finding the Fourth Proportional to 25,231.28, 34,820.78 and 13,900.77

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Solution

The fourth proportional to 25,231.28, 34,820.78 and 13,900.77 is: 19,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.28 : 34,820.78 = 13,900.77 : x
  2. Step 2: Convert to fraction form
    25,231.28/34,820.78 = 13,900.77/x
  3. Step 3: Cross multiply
    25,231.28x = 34,820.78 × 13,900.77
  4. Step 4: Simplify right side
    25,231.28x = 484,035,584.50
  5. Step 5: Solve for x
    x = 484,035,584.50/25,231.28
  6. Step 6: Final answer
    x = 19,183.95

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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.