Home / 25,221.43-37,786.78-20,293.39

Finding the Fourth Proportional to 25,221.43, 37,786.78 and 20,293.39

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Solution

The fourth proportional to 25,221.43, 37,786.78 and 20,293.39 is: 30,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221.43 : 37,786.78 = 20,293.39 : x
  2. Step 2: Convert to fraction form
    25,221.43/37,786.78 = 20,293.39/x
  3. Step 3: Cross multiply
    25,221.43x = 37,786.78 × 20,293.39
  4. Step 4: Simplify right side
    25,221.43x = 766,821,863.38
  5. Step 5: Solve for x
    x = 766,821,863.38/25,221.43
  6. Step 6: Final answer
    x = 30,403.58

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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.