Home / 19,310.70-28,916.10-16,183.20

Finding the Fourth Proportional to 19,310.70, 28,916.10 and 16,183.20

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Solution

The fourth proportional to 19,310.70, 28,916.10 and 16,183.20 is: 24,232.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.70 : 28,916.10 = 16,183.20 : x
  2. Step 2: Convert to fraction form
    19,310.70/28,916.10 = 16,183.20/x
  3. Step 3: Cross multiply
    19,310.70x = 28,916.10 × 16,183.20
  4. Step 4: Simplify right side
    19,310.70x = 467,955,029.52
  5. Step 5: Solve for x
    x = 467,955,029.52/19,310.70
  6. Step 6: Final answer
    x = 24,232.94

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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.