Home / 26,600.86-36,712.51-15,273.90

Finding the Fourth Proportional to 26,600.86, 36,712.51 and 15,273.90

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Solution

The fourth proportional to 26,600.86, 36,712.51 and 15,273.90 is: 21,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,600.86 : 36,712.51 = 15,273.90 : x
  2. Step 2: Convert to fraction form
    26,600.86/36,712.51 = 15,273.90/x
  3. Step 3: Cross multiply
    26,600.86x = 36,712.51 × 15,273.90
  4. Step 4: Simplify right side
    26,600.86x = 560,743,168.30
  5. Step 5: Solve for x
    x = 560,743,168.30/26,600.86
  6. Step 6: Final answer
    x = 21,079.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.