Home / 18,428.13-27,617.49-17,247.15

Finding the Fourth Proportional to 18,428.13, 27,617.49 and 17,247.15

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Solution

The fourth proportional to 18,428.13, 27,617.49 and 17,247.15 is: 25,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.13 : 27,617.49 = 17,247.15 : x
  2. Step 2: Convert to fraction form
    18,428.13/27,617.49 = 17,247.15/x
  3. Step 3: Cross multiply
    18,428.13x = 27,617.49 × 17,247.15
  4. Step 4: Simplify right side
    18,428.13x = 476,322,992.65
  5. Step 5: Solve for x
    x = 476,322,992.65/18,428.13
  6. Step 6: Final answer
    x = 25,847.60

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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.