Home / 18,158.12-27,282.99-17,420.04

Finding the Fourth Proportional to 18,158.12, 27,282.99 and 17,420.04

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Solution

The fourth proportional to 18,158.12, 27,282.99 and 17,420.04 is: 26,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.12 : 27,282.99 = 17,420.04 : x
  2. Step 2: Convert to fraction form
    18,158.12/27,282.99 = 17,420.04/x
  3. Step 3: Cross multiply
    18,158.12x = 27,282.99 × 17,420.04
  4. Step 4: Simplify right side
    18,158.12x = 475,270,777.12
  5. Step 5: Solve for x
    x = 475,270,777.12/18,158.12
  6. Step 6: Final answer
    x = 26,174.01

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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.