Home / 26,898.90-40,336.20-12,100.20

Finding the Fourth Proportional to 26,898.90, 40,336.20 and 12,100.20

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Solution

The fourth proportional to 26,898.90, 40,336.20 and 12,100.20 is: 18,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,898.90 : 40,336.20 = 12,100.20 : x
  2. Step 2: Convert to fraction form
    26,898.90/40,336.20 = 12,100.20/x
  3. Step 3: Cross multiply
    26,898.90x = 40,336.20 × 12,100.20
  4. Step 4: Simplify right side
    26,898.90x = 488,076,087.24
  5. Step 5: Solve for x
    x = 488,076,087.24/26,898.90
  6. Step 6: Final answer
    x = 18,144.83

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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.