Home / 25,144.74-37,843.34-18,936.90

Finding the Fourth Proportional to 25,144.74, 37,843.34 and 18,936.90

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Solution

The fourth proportional to 25,144.74, 37,843.34 and 18,936.90 is: 28,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,144.74 : 37,843.34 = 18,936.90 : x
  2. Step 2: Convert to fraction form
    25,144.74/37,843.34 = 18,936.90/x
  3. Step 3: Cross multiply
    25,144.74x = 37,843.34 × 18,936.90
  4. Step 4: Simplify right side
    25,144.74x = 716,635,450.56
  5. Step 5: Solve for x
    x = 716,635,450.56/25,144.74
  6. Step 6: Final answer
    x = 28,500.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.