Home / 19,975.20-29,939.46-15,028.94

Finding the Fourth Proportional to 19,975.20, 29,939.46 and 15,028.94

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Solution

The fourth proportional to 19,975.20, 29,939.46 and 15,028.94 is: 22,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.20 : 29,939.46 = 15,028.94 : x
  2. Step 2: Convert to fraction form
    19,975.20/29,939.46 = 15,028.94/x
  3. Step 3: Cross multiply
    19,975.20x = 29,939.46 × 15,028.94
  4. Step 4: Simplify right side
    19,975.20x = 449,958,347.97
  5. Step 5: Solve for x
    x = 449,958,347.97/19,975.20
  6. Step 6: Final answer
    x = 22,525.85

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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.