Home / 17,578.56-26,367.80-4,431.96

Finding the Fourth Proportional to 17,578.56, 26,367.80 and 4,431.96

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Solution

The fourth proportional to 17,578.56, 26,367.80 and 4,431.96 is: 6,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,578.56 : 26,367.80 = 4,431.96 : x
  2. Step 2: Convert to fraction form
    17,578.56/26,367.80 = 4,431.96/x
  3. Step 3: Cross multiply
    17,578.56x = 26,367.80 × 4,431.96
  4. Step 4: Simplify right side
    17,578.56x = 116,861,034.89
  5. Step 5: Solve for x
    x = 116,861,034.89/17,578.56
  6. Step 6: Final answer
    x = 6,647.93

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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.