Home / 18,815.76-28,266.84-16,191.36

Finding the Fourth Proportional to 18,815.76, 28,266.84 and 16,191.36

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Solution

The fourth proportional to 18,815.76, 28,266.84 and 16,191.36 is: 24,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.76 : 28,266.84 = 16,191.36 : x
  2. Step 2: Convert to fraction form
    18,815.76/28,266.84 = 16,191.36/x
  3. Step 3: Cross multiply
    18,815.76x = 28,266.84 × 16,191.36
  4. Step 4: Simplify right side
    18,815.76x = 457,678,582.50
  5. Step 5: Solve for x
    x = 457,678,582.50/18,815.76
  6. Step 6: Final answer
    x = 24,324.21

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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.