Home / 27,176.13-37,512.27-17,121.42

Finding the Fourth Proportional to 27,176.13, 37,512.27 and 17,121.42

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Solution

The fourth proportional to 27,176.13, 37,512.27 and 17,121.42 is: 23,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,176.13 : 37,512.27 = 17,121.42 : x
  2. Step 2: Convert to fraction form
    27,176.13/37,512.27 = 17,121.42/x
  3. Step 3: Cross multiply
    27,176.13x = 37,512.27 × 17,121.42
  4. Step 4: Simplify right side
    27,176.13x = 642,263,329.82
  5. Step 5: Solve for x
    x = 642,263,329.82/27,176.13
  6. Step 6: Final answer
    x = 23,633.36

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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.