Home / 25,722.24-38,477.76-20,538.24

Finding the Fourth Proportional to 25,722.24, 38,477.76 and 20,538.24

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Solution

The fourth proportional to 25,722.24, 38,477.76 and 20,538.24 is: 30,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722.24 : 38,477.76 = 20,538.24 : x
  2. Step 2: Convert to fraction form
    25,722.24/38,477.76 = 20,538.24/x
  3. Step 3: Cross multiply
    25,722.24x = 38,477.76 × 20,538.24
  4. Step 4: Simplify right side
    25,722.24x = 790,265,469.54
  5. Step 5: Solve for x
    x = 790,265,469.54/25,722.24
  6. Step 6: Final answer
    x = 30,723.04

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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.