Home / 17,927.55-26,891.19-4,780.98

Finding the Fourth Proportional to 17,927.55, 26,891.19 and 4,780.98

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Solution

The fourth proportional to 17,927.55, 26,891.19 and 4,780.98 is: 7,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.55 : 26,891.19 = 4,780.98 : x
  2. Step 2: Convert to fraction form
    17,927.55/26,891.19 = 4,780.98/x
  3. Step 3: Cross multiply
    17,927.55x = 26,891.19 × 4,780.98
  4. Step 4: Simplify right side
    17,927.55x = 128,566,241.57
  5. Step 5: Solve for x
    x = 128,566,241.57/17,927.55
  6. Step 6: Final answer
    x = 7,171.43

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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.