Home / 28,773.18-43,145.18-13,177.44

Finding the Fourth Proportional to 28,773.18, 43,145.18 and 13,177.44

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Solution

The fourth proportional to 28,773.18, 43,145.18 and 13,177.44 is: 19,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.18 : 43,145.18 = 13,177.44 : x
  2. Step 2: Convert to fraction form
    28,773.18/43,145.18 = 13,177.44/x
  3. Step 3: Cross multiply
    28,773.18x = 43,145.18 × 13,177.44
  4. Step 4: Simplify right side
    28,773.18x = 568,543,020.74
  5. Step 5: Solve for x
    x = 568,543,020.74/28,773.18
  6. Step 6: Final answer
    x = 19,759.48

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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.