Home / 19,581.54-27,020.94-11,625.72

Finding the Fourth Proportional to 19,581.54, 27,020.94 and 11,625.72

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Solution

The fourth proportional to 19,581.54, 27,020.94 and 11,625.72 is: 16,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.54 : 27,020.94 = 11,625.72 : x
  2. Step 2: Convert to fraction form
    19,581.54/27,020.94 = 11,625.72/x
  3. Step 3: Cross multiply
    19,581.54x = 27,020.94 × 11,625.72
  4. Step 4: Simplify right side
    19,581.54x = 314,137,882.58
  5. Step 5: Solve for x
    x = 314,137,882.58/19,581.54
  6. Step 6: Final answer
    x = 16,042.55

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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.