Home / 25,608.36-38,361.30-20,352.24

Finding the Fourth Proportional to 25,608.36, 38,361.30 and 20,352.24

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Solution

The fourth proportional to 25,608.36, 38,361.30 and 20,352.24 is: 30,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.36 : 38,361.30 = 20,352.24 : x
  2. Step 2: Convert to fraction form
    25,608.36/38,361.30 = 20,352.24/x
  3. Step 3: Cross multiply
    25,608.36x = 38,361.30 × 20,352.24
  4. Step 4: Simplify right side
    25,608.36x = 780,738,384.31
  5. Step 5: Solve for x
    x = 780,738,384.31/25,608.36
  6. Step 6: Final answer
    x = 30,487.64

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1.5x scale

Why These Related Problems?

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