Home / 28,877.88-43,319.27-8,101.38

Finding the Fourth Proportional to 28,877.88, 43,319.27 and 8,101.38

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Solution

The fourth proportional to 28,877.88, 43,319.27 and 8,101.38 is: 12,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.88 : 43,319.27 = 8,101.38 : x
  2. Step 2: Convert to fraction form
    28,877.88/43,319.27 = 8,101.38/x
  3. Step 3: Cross multiply
    28,877.88x = 43,319.27 × 8,101.38
  4. Step 4: Simplify right side
    28,877.88x = 350,945,610.49
  5. Step 5: Solve for x
    x = 350,945,610.49/28,877.88
  6. Step 6: Final answer
    x = 12,152.75

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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.