Home / 18,902.43-28,323.41-16,120.35

Finding the Fourth Proportional to 18,902.43, 28,323.41 and 16,120.35

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Solution

The fourth proportional to 18,902.43, 28,323.41 and 16,120.35 is: 24,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.43 : 28,323.41 = 16,120.35 : x
  2. Step 2: Convert to fraction form
    18,902.43/28,323.41 = 16,120.35/x
  3. Step 3: Cross multiply
    18,902.43x = 28,323.41 × 16,120.35
  4. Step 4: Simplify right side
    18,902.43x = 456,583,201.79
  5. Step 5: Solve for x
    x = 456,583,201.79/18,902.43
  6. Step 6: Final answer
    x = 24,154.74

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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.