Home / 27,108.54-40,588.83-20,514.74

Finding the Fourth Proportional to 27,108.54, 40,588.83 and 20,514.74

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Solution

The fourth proportional to 27,108.54, 40,588.83 and 20,514.74 is: 30,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.54 : 40,588.83 = 20,514.74 : x
  2. Step 2: Convert to fraction form
    27,108.54/40,588.83 = 20,514.74/x
  3. Step 3: Cross multiply
    27,108.54x = 40,588.83 × 20,514.74
  4. Step 4: Simplify right side
    27,108.54x = 832,669,091.41
  5. Step 5: Solve for x
    x = 832,669,091.41/27,108.54
  6. Step 6: Final answer
    x = 30,716.12

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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.