Home / 27,869.12-38,477.41-17,270

Finding the Fourth Proportional to 27,869.12, 38,477.41 and 17,270

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Solution

The fourth proportional to 27,869.12, 38,477.41 and 17,270 is: 23,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,869.12 : 38,477.41 = 17,270 : x
  2. Step 2: Convert to fraction form
    27,869.12/38,477.41 = 17,270/x
  3. Step 3: Cross multiply
    27,869.12x = 38,477.41 × 17,270
  4. Step 4: Simplify right side
    27,869.12x = 664,504,870.70
  5. Step 5: Solve for x
    x = 664,504,870.70/27,869.12
  6. Step 6: Final answer
    x = 23,843.77

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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.