Home / 27,331.07-40,998.09-8,612.58

Finding the Fourth Proportional to 27,331.07, 40,998.09 and 8,612.58

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Solution

The fourth proportional to 27,331.07, 40,998.09 and 8,612.58 is: 12,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.07 : 40,998.09 = 8,612.58 : x
  2. Step 2: Convert to fraction form
    27,331.07/40,998.09 = 8,612.58/x
  3. Step 3: Cross multiply
    27,331.07x = 40,998.09 × 8,612.58
  4. Step 4: Simplify right side
    27,331.07x = 353,099,329.97
  5. Step 5: Solve for x
    x = 353,099,329.97/27,331.07
  6. Step 6: Final answer
    x = 12,919.34

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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.