Home / 27,691.16-38,205.51-16,361.69

Finding the Fourth Proportional to 27,691.16, 38,205.51 and 16,361.69

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Solution

The fourth proportional to 27,691.16, 38,205.51 and 16,361.69 is: 22,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.16 : 38,205.51 = 16,361.69 : x
  2. Step 2: Convert to fraction form
    27,691.16/38,205.51 = 16,361.69/x
  3. Step 3: Cross multiply
    27,691.16x = 38,205.51 × 16,361.69
  4. Step 4: Simplify right side
    27,691.16x = 625,106,519.88
  5. Step 5: Solve for x
    x = 625,106,519.88/27,691.16
  6. Step 6: Final answer
    x = 22,574.23

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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.