Home / 27,700.92-41,520.60-21,105.36

Finding the Fourth Proportional to 27,700.92, 41,520.60 and 21,105.36

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Solution

The fourth proportional to 27,700.92, 41,520.60 and 21,105.36 is: 31,634.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.92 : 41,520.60 = 21,105.36 : x
  2. Step 2: Convert to fraction form
    27,700.92/41,520.60 = 21,105.36/x
  3. Step 3: Cross multiply
    27,700.92x = 41,520.60 × 21,105.36
  4. Step 4: Simplify right side
    27,700.92x = 876,307,210.42
  5. Step 5: Solve for x
    x = 876,307,210.42/27,700.92
  6. Step 6: Final answer
    x = 31,634.59

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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.