Home / 18,950.26-28,427.43-15,471.55

Finding the Fourth Proportional to 18,950.26, 28,427.43 and 15,471.55

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Solution

The fourth proportional to 18,950.26, 28,427.43 and 15,471.55 is: 23,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.26 : 28,427.43 = 15,471.55 : x
  2. Step 2: Convert to fraction form
    18,950.26/28,427.43 = 15,471.55/x
  3. Step 3: Cross multiply
    18,950.26x = 28,427.43 × 15,471.55
  4. Step 4: Simplify right side
    18,950.26x = 439,816,404.62
  5. Step 5: Solve for x
    x = 439,816,404.62/18,950.26
  6. Step 6: Final answer
    x = 23,208.99

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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.