Home / 18,929.66-28,419.61-16,174.04

Finding the Fourth Proportional to 18,929.66, 28,419.61 and 16,174.04

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Solution

The fourth proportional to 18,929.66, 28,419.61 and 16,174.04 is: 24,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929.66 : 28,419.61 = 16,174.04 : x
  2. Step 2: Convert to fraction form
    18,929.66/28,419.61 = 16,174.04/x
  3. Step 3: Cross multiply
    18,929.66x = 28,419.61 × 16,174.04
  4. Step 4: Simplify right side
    18,929.66x = 459,659,908.92
  5. Step 5: Solve for x
    x = 459,659,908.92/18,929.66
  6. Step 6: Final answer
    x = 24,282.52

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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.