Home / 25,282.80-37,876.82-21,149.37

Finding the Fourth Proportional to 25,282.80, 37,876.82 and 21,149.37

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Solution

The fourth proportional to 25,282.80, 37,876.82 and 21,149.37 is: 31,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,282.80 : 37,876.82 = 21,149.37 : x
  2. Step 2: Convert to fraction form
    25,282.80/37,876.82 = 21,149.37/x
  3. Step 3: Cross multiply
    25,282.80x = 37,876.82 × 21,149.37
  4. Step 4: Simplify right side
    25,282.80x = 801,070,774.86
  5. Step 5: Solve for x
    x = 801,070,774.86/25,282.80
  6. Step 6: Final answer
    x = 31,684.42

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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.