Home / 18,933.18-28,414.44-15,244.44

Finding the Fourth Proportional to 18,933.18, 28,414.44 and 15,244.44

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Solution

The fourth proportional to 18,933.18, 28,414.44 and 15,244.44 is: 22,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.18 : 28,414.44 = 15,244.44 : x
  2. Step 2: Convert to fraction form
    18,933.18/28,414.44 = 15,244.44/x
  3. Step 3: Cross multiply
    18,933.18x = 28,414.44 × 15,244.44
  4. Step 4: Simplify right side
    18,933.18x = 433,162,225.71
  5. Step 5: Solve for x
    x = 433,162,225.71/18,933.18
  6. Step 6: Final answer
    x = 22,878.47

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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.