Home / 67,877.43-101,855.83-28,431.24

Finding the Fourth Proportional to 67,877.43, 101,855.83 and 28,431.24

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Solution

The fourth proportional to 67,877.43, 101,855.83 and 28,431.24 is: 42,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,877.43 : 101,855.83 = 28,431.24 : x
  2. Step 2: Convert to fraction form
    67,877.43/101,855.83 = 28,431.24/x
  3. Step 3: Cross multiply
    67,877.43x = 101,855.83 × 28,431.24
  4. Step 4: Simplify right side
    67,877.43x = 2,895,887,548.13
  5. Step 5: Solve for x
    x = 2,895,887,548.13/67,877.43
  6. Step 6: Final answer
    x = 42,663.48

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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.