Home / 27,830.68-38,410.28-17,223.73

Finding the Fourth Proportional to 27,830.68, 38,410.28 and 17,223.73

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Solution

The fourth proportional to 27,830.68, 38,410.28 and 17,223.73 is: 23,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.68 : 38,410.28 = 17,223.73 : x
  2. Step 2: Convert to fraction form
    27,830.68/38,410.28 = 17,223.73/x
  3. Step 3: Cross multiply
    27,830.68x = 38,410.28 × 17,223.73
  4. Step 4: Simplify right side
    27,830.68x = 661,568,291.94
  5. Step 5: Solve for x
    x = 661,568,291.94/27,830.68
  6. Step 6: Final answer
    x = 23,771.19

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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.