Home / 25,705.24-38,452.26-20,521.24

Finding the Fourth Proportional to 25,705.24, 38,452.26 and 20,521.24

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Solution

The fourth proportional to 25,705.24, 38,452.26 and 20,521.24 is: 30,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.24 : 38,452.26 = 20,521.24 : x
  2. Step 2: Convert to fraction form
    25,705.24/38,452.26 = 20,521.24/x
  3. Step 3: Cross multiply
    25,705.24x = 38,452.26 × 20,521.24
  4. Step 4: Simplify right side
    25,705.24x = 789,088,056.00
  5. Step 5: Solve for x
    x = 789,088,056.00/25,705.24
  6. Step 6: Final answer
    x = 30,697.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.