Home / 27,689.32-41,519.39-12,088.72

Finding the Fourth Proportional to 27,689.32, 41,519.39 and 12,088.72

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Solution

The fourth proportional to 27,689.32, 41,519.39 and 12,088.72 is: 18,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,689.32 : 41,519.39 = 12,088.72 : x
  2. Step 2: Convert to fraction form
    27,689.32/41,519.39 = 12,088.72/x
  3. Step 3: Cross multiply
    27,689.32x = 41,519.39 × 12,088.72
  4. Step 4: Simplify right side
    27,689.32x = 501,916,219.84
  5. Step 5: Solve for x
    x = 501,916,219.84/27,689.32
  6. Step 6: Final answer
    x = 18,126.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.