Home / 17,942.88-26,918.64-5,630.88

Finding the Fourth Proportional to 17,942.88, 26,918.64 and 5,630.88

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Solution

The fourth proportional to 17,942.88, 26,918.64 and 5,630.88 is: 8,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.88 : 26,918.64 = 5,630.88 : x
  2. Step 2: Convert to fraction form
    17,942.88/26,918.64 = 5,630.88/x
  3. Step 3: Cross multiply
    17,942.88x = 26,918.64 × 5,630.88
  4. Step 4: Simplify right side
    17,942.88x = 151,575,631.60
  5. Step 5: Solve for x
    x = 151,575,631.60/17,942.88
  6. Step 6: Final answer
    x = 8,447.68

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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.