Home / 27,789.05-41,671.26-19,965.06

Finding the Fourth Proportional to 27,789.05, 41,671.26 and 19,965.06

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Solution

The fourth proportional to 27,789.05, 41,671.26 and 19,965.06 is: 29,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.05 : 41,671.26 = 19,965.06 : x
  2. Step 2: Convert to fraction form
    27,789.05/41,671.26 = 19,965.06/x
  3. Step 3: Cross multiply
    27,789.05x = 41,671.26 × 19,965.06
  4. Step 4: Simplify right side
    27,789.05x = 831,969,206.18
  5. Step 5: Solve for x
    x = 831,969,206.18/27,789.05
  6. Step 6: Final answer
    x = 29,938.74

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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.