Home / 27,578.66-38,071.77-16,977.38

Finding the Fourth Proportional to 27,578.66, 38,071.77 and 16,977.38

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Solution

The fourth proportional to 27,578.66, 38,071.77 and 16,977.38 is: 23,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.66 : 38,071.77 = 16,977.38 : x
  2. Step 2: Convert to fraction form
    27,578.66/38,071.77 = 16,977.38/x
  3. Step 3: Cross multiply
    27,578.66x = 38,071.77 × 16,977.38
  4. Step 4: Simplify right side
    27,578.66x = 646,358,906.56
  5. Step 5: Solve for x
    x = 646,358,906.56/27,578.66
  6. Step 6: Final answer
    x = 23,436.92

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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.