Home / 27,286.97-40,921.74-10,642.95

Finding the Fourth Proportional to 27,286.97, 40,921.74 and 10,642.95

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Solution

The fourth proportional to 27,286.97, 40,921.74 and 10,642.95 is: 15,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.97 : 40,921.74 = 10,642.95 : x
  2. Step 2: Convert to fraction form
    27,286.97/40,921.74 = 10,642.95/x
  3. Step 3: Cross multiply
    27,286.97x = 40,921.74 × 10,642.95
  4. Step 4: Simplify right side
    27,286.97x = 435,528,032.73
  5. Step 5: Solve for x
    x = 435,528,032.73/27,286.97
  6. Step 6: Final answer
    x = 15,961.03

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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.