Home / 25,183.35-34,739.21-15,619.94

Finding the Fourth Proportional to 25,183.35, 34,739.21 and 15,619.94

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Solution

The fourth proportional to 25,183.35, 34,739.21 and 15,619.94 is: 21,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,183.35 : 34,739.21 = 15,619.94 : x
  2. Step 2: Convert to fraction form
    25,183.35/34,739.21 = 15,619.94/x
  3. Step 3: Cross multiply
    25,183.35x = 34,739.21 × 15,619.94
  4. Step 4: Simplify right side
    25,183.35x = 542,624,202.15
  5. Step 5: Solve for x
    x = 542,624,202.15/25,183.35
  6. Step 6: Final answer
    x = 21,546.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.