Home / 26,696.52-40,018.14-12,631.50

Finding the Fourth Proportional to 26,696.52, 40,018.14 and 12,631.50

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Solution

The fourth proportional to 26,696.52, 40,018.14 and 12,631.50 is: 18,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,696.52 : 40,018.14 = 12,631.50 : x
  2. Step 2: Convert to fraction form
    26,696.52/40,018.14 = 12,631.50/x
  3. Step 3: Cross multiply
    26,696.52x = 40,018.14 × 12,631.50
  4. Step 4: Simplify right side
    26,696.52x = 505,489,135.41
  5. Step 5: Solve for x
    x = 505,489,135.41/26,696.52
  6. Step 6: Final answer
    x = 18,934.65

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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.