Home / 25,723.24-38,479.26-20,539.24

Finding the Fourth Proportional to 25,723.24, 38,479.26 and 20,539.24

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Solution

The fourth proportional to 25,723.24, 38,479.26 and 20,539.24 is: 30,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.24 : 38,479.26 = 20,539.24 : x
  2. Step 2: Convert to fraction form
    25,723.24/38,479.26 = 20,539.24/x
  3. Step 3: Cross multiply
    25,723.24x = 38,479.26 × 20,539.24
  4. Step 4: Simplify right side
    25,723.24x = 790,334,756.16
  5. Step 5: Solve for x
    x = 790,334,756.16/25,723.24
  6. Step 6: Final answer
    x = 30,724.54

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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.