Home / 18,772.91-28,173.23-15,119.24

Finding the Fourth Proportional to 18,772.91, 28,173.23 and 15,119.24

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Solution

The fourth proportional to 18,772.91, 28,173.23 and 15,119.24 is: 22,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.91 : 28,173.23 = 15,119.24 : x
  2. Step 2: Convert to fraction form
    18,772.91/28,173.23 = 15,119.24/x
  3. Step 3: Cross multiply
    18,772.91x = 28,173.23 × 15,119.24
  4. Step 4: Simplify right side
    18,772.91x = 425,957,722.88
  5. Step 5: Solve for x
    x = 425,957,722.88/18,772.91
  6. Step 6: Final answer
    x = 22,690.03

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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.