Home / 18,299.82-27,405.97-17,381.30

Finding the Fourth Proportional to 18,299.82, 27,405.97 and 17,381.30

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Solution

The fourth proportional to 18,299.82, 27,405.97 and 17,381.30 is: 26,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.82 : 27,405.97 = 17,381.30 : x
  2. Step 2: Convert to fraction form
    18,299.82/27,405.97 = 17,381.30/x
  3. Step 3: Cross multiply
    18,299.82x = 27,405.97 × 17,381.30
  4. Step 4: Simplify right side
    18,299.82x = 476,351,386.36
  5. Step 5: Solve for x
    x = 476,351,386.36/18,299.82
  6. Step 6: Final answer
    x = 26,030.39

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1.5x scale

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.