Home / 25,767.23-35,630.37-20,452.82

Finding the Fourth Proportional to 25,767.23, 35,630.37 and 20,452.82

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Solution

The fourth proportional to 25,767.23, 35,630.37 and 20,452.82 is: 28,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.23 : 35,630.37 = 20,452.82 : x
  2. Step 2: Convert to fraction form
    25,767.23/35,630.37 = 20,452.82/x
  3. Step 3: Cross multiply
    25,767.23x = 35,630.37 × 20,452.82
  4. Step 4: Simplify right side
    25,767.23x = 728,741,365.99
  5. Step 5: Solve for x
    x = 728,741,365.99/25,767.23
  6. Step 6: Final answer
    x = 28,281.72

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1.5x scale

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.