Home / 27,888.71-41,853.38-13,107.83

Finding the Fourth Proportional to 27,888.71, 41,853.38 and 13,107.83

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Solution

The fourth proportional to 27,888.71, 41,853.38 and 13,107.83 is: 19,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.71 : 41,853.38 = 13,107.83 : x
  2. Step 2: Convert to fraction form
    27,888.71/41,853.38 = 13,107.83/x
  3. Step 3: Cross multiply
    27,888.71x = 41,853.38 × 13,107.83
  4. Step 4: Simplify right side
    27,888.71x = 548,606,715.16
  5. Step 5: Solve for x
    x = 548,606,715.16/27,888.71
  6. Step 6: Final answer
    x = 19,671.29

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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.