Home / 27,677.66-38,195.06-15,102.38

Finding the Fourth Proportional to 27,677.66, 38,195.06 and 15,102.38

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Solution

The fourth proportional to 27,677.66, 38,195.06 and 15,102.38 is: 20,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,677.66 : 38,195.06 = 15,102.38 : x
  2. Step 2: Convert to fraction form
    27,677.66/38,195.06 = 15,102.38/x
  3. Step 3: Cross multiply
    27,677.66x = 38,195.06 × 15,102.38
  4. Step 4: Simplify right side
    27,677.66x = 576,836,310.24
  5. Step 5: Solve for x
    x = 576,836,310.24/27,677.66
  6. Step 6: Final answer
    x = 20,841.22

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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.