Home / 19,930.38-27,485.19-14,906.22

Finding the Fourth Proportional to 19,930.38, 27,485.19 and 14,906.22

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Solution

The fourth proportional to 19,930.38, 27,485.19 and 14,906.22 is: 20,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.38 : 27,485.19 = 14,906.22 : x
  2. Step 2: Convert to fraction form
    19,930.38/27,485.19 = 14,906.22/x
  3. Step 3: Cross multiply
    19,930.38x = 27,485.19 × 14,906.22
  4. Step 4: Simplify right side
    19,930.38x = 409,700,288.88
  5. Step 5: Solve for x
    x = 409,700,288.88/19,930.38
  6. Step 6: Final answer
    x = 20,556.57

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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.