Home / 26,890.47-40,335.69-11,104.43

Finding the Fourth Proportional to 26,890.47, 40,335.69 and 11,104.43

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Solution

The fourth proportional to 26,890.47, 40,335.69 and 11,104.43 is: 16,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.47 : 40,335.69 = 11,104.43 : x
  2. Step 2: Convert to fraction form
    26,890.47/40,335.69 = 11,104.43/x
  3. Step 3: Cross multiply
    26,890.47x = 40,335.69 × 11,104.43
  4. Step 4: Simplify right side
    26,890.47x = 447,904,644.43
  5. Step 5: Solve for x
    x = 447,904,644.43/26,890.47
  6. Step 6: Final answer
    x = 16,656.63

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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.