Home / 26,982.86-40,479.16-12,198.74

Finding the Fourth Proportional to 26,982.86, 40,479.16 and 12,198.74

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Solution

The fourth proportional to 26,982.86, 40,479.16 and 12,198.74 is: 18,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,982.86 : 40,479.16 = 12,198.74 : x
  2. Step 2: Convert to fraction form
    26,982.86/40,479.16 = 12,198.74/x
  3. Step 3: Cross multiply
    26,982.86x = 40,479.16 × 12,198.74
  4. Step 4: Simplify right side
    26,982.86x = 493,794,748.26
  5. Step 5: Solve for x
    x = 493,794,748.26/26,982.86
  6. Step 6: Final answer
    x = 18,300.31

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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.