Home / 19,276.10-28,869.25-18,744.05

Finding the Fourth Proportional to 19,276.10, 28,869.25 and 18,744.05

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Solution

The fourth proportional to 19,276.10, 28,869.25 and 18,744.05 is: 28,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.10 : 28,869.25 = 18,744.05 : x
  2. Step 2: Convert to fraction form
    19,276.10/28,869.25 = 18,744.05/x
  3. Step 3: Cross multiply
    19,276.10x = 28,869.25 × 18,744.05
  4. Step 4: Simplify right side
    19,276.10x = 541,126,690.78
  5. Step 5: Solve for x
    x = 541,126,690.78/19,276.10
  6. Step 6: Final answer
    x = 28,072.41

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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.