Home / 17,837.08-26,761.82-7,977.40

Finding the Fourth Proportional to 17,837.08, 26,761.82 and 7,977.40

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Solution

The fourth proportional to 17,837.08, 26,761.82 and 7,977.40 is: 11,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,837.08 : 26,761.82 = 7,977.40 : x
  2. Step 2: Convert to fraction form
    17,837.08/26,761.82 = 7,977.40/x
  3. Step 3: Cross multiply
    17,837.08x = 26,761.82 × 7,977.40
  4. Step 4: Simplify right side
    17,837.08x = 213,489,742.87
  5. Step 5: Solve for x
    x = 213,489,742.87/17,837.08
  6. Step 6: Final answer
    x = 11,968.87

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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.