Home / 17,917.74-26,876.66-5,437.86

Finding the Fourth Proportional to 17,917.74, 26,876.66 and 5,437.86

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Solution

The fourth proportional to 17,917.74, 26,876.66 and 5,437.86 is: 8,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.74 : 26,876.66 = 5,437.86 : x
  2. Step 2: Convert to fraction form
    17,917.74/26,876.66 = 5,437.86/x
  3. Step 3: Cross multiply
    17,917.74x = 26,876.66 × 5,437.86
  4. Step 4: Simplify right side
    17,917.74x = 146,151,514.35
  5. Step 5: Solve for x
    x = 146,151,514.35/17,917.74
  6. Step 6: Final answer
    x = 8,156.81

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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.