Home / 27,629.98-38,135.52-17,556.45

Finding the Fourth Proportional to 27,629.98, 38,135.52 and 17,556.45

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Solution

The fourth proportional to 27,629.98, 38,135.52 and 17,556.45 is: 24,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.98 : 38,135.52 = 17,556.45 : x
  2. Step 2: Convert to fraction form
    27,629.98/38,135.52 = 17,556.45/x
  3. Step 3: Cross multiply
    27,629.98x = 38,135.52 × 17,556.45
  4. Step 4: Simplify right side
    27,629.98x = 669,524,350.10
  5. Step 5: Solve for x
    x = 669,524,350.10/27,629.98
  6. Step 6: Final answer
    x = 24,231.81

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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.