Home / 27,785.82-41,666.12-11,983.38

Finding the Fourth Proportional to 27,785.82, 41,666.12 and 11,983.38

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Solution

The fourth proportional to 27,785.82, 41,666.12 and 11,983.38 is: 17,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,785.82 : 41,666.12 = 11,983.38 : x
  2. Step 2: Convert to fraction form
    27,785.82/41,666.12 = 11,983.38/x
  3. Step 3: Cross multiply
    27,785.82x = 41,666.12 × 11,983.38
  4. Step 4: Simplify right side
    27,785.82x = 499,300,889.17
  5. Step 5: Solve for x
    x = 499,300,889.17/27,785.82
  6. Step 6: Final answer
    x = 17,969.63

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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.