Home / 27,556.81-38,028.35-16,801.68

Finding the Fourth Proportional to 27,556.81, 38,028.35 and 16,801.68

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Solution

The fourth proportional to 27,556.81, 38,028.35 and 16,801.68 is: 23,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.81 : 38,028.35 = 16,801.68 : x
  2. Step 2: Convert to fraction form
    27,556.81/38,028.35 = 16,801.68/x
  3. Step 3: Cross multiply
    27,556.81x = 38,028.35 × 16,801.68
  4. Step 4: Simplify right side
    27,556.81x = 638,940,138.33
  5. Step 5: Solve for x
    x = 638,940,138.33/27,556.81
  6. Step 6: Final answer
    x = 23,186.29

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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.