Home / 27,408.43-41,099.68-12,612.97

Finding the Fourth Proportional to 27,408.43, 41,099.68 and 12,612.97

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Solution

The fourth proportional to 27,408.43, 41,099.68 and 12,612.97 is: 18,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408.43 : 41,099.68 = 12,612.97 : x
  2. Step 2: Convert to fraction form
    27,408.43/41,099.68 = 12,612.97/x
  3. Step 3: Cross multiply
    27,408.43x = 41,099.68 × 12,612.97
  4. Step 4: Simplify right side
    27,408.43x = 518,389,030.85
  5. Step 5: Solve for x
    x = 518,389,030.85/27,408.43
  6. Step 6: Final answer
    x = 18,913.49

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1.5x scale

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.