Home / 63,872.43-95,822.68-18,890.28

Finding the Fourth Proportional to 63,872.43, 95,822.68 and 18,890.28

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Solution

The fourth proportional to 63,872.43, 95,822.68 and 18,890.28 is: 28,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,872.43 : 95,822.68 = 18,890.28 : x
  2. Step 2: Convert to fraction form
    63,872.43/95,822.68 = 18,890.28/x
  3. Step 3: Cross multiply
    63,872.43x = 95,822.68 × 18,890.28
  4. Step 4: Simplify right side
    63,872.43x = 1,810,117,406.02
  5. Step 5: Solve for x
    x = 1,810,117,406.02/63,872.43
  6. Step 6: Final answer
    x = 28,339.57

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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.