Home / 27,912.24-38,480.40-22,266.14

Finding the Fourth Proportional to 27,912.24, 38,480.40 and 22,266.14

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Solution

The fourth proportional to 27,912.24, 38,480.40 and 22,266.14 is: 30,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.24 : 38,480.40 = 22,266.14 : x
  2. Step 2: Convert to fraction form
    27,912.24/38,480.40 = 22,266.14/x
  3. Step 3: Cross multiply
    27,912.24x = 38,480.40 × 22,266.14
  4. Step 4: Simplify right side
    27,912.24x = 856,809,973.66
  5. Step 5: Solve for x
    x = 856,809,973.66/27,912.24
  6. Step 6: Final answer
    x = 30,696.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.