Home / 26,112.88-39,169-8,582.48

Finding the Fourth Proportional to 26,112.88, 39,169 and 8,582.48

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Solution

The fourth proportional to 26,112.88, 39,169 and 8,582.48 is: 12,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.88 : 39,169 = 8,582.48 : x
  2. Step 2: Convert to fraction form
    26,112.88/39,169 = 8,582.48/x
  3. Step 3: Cross multiply
    26,112.88x = 39,169 × 8,582.48
  4. Step 4: Simplify right side
    26,112.88x = 336,167,159.12
  5. Step 5: Solve for x
    x = 336,167,159.12/26,112.88
  6. Step 6: Final answer
    x = 12,873.61

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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.