Home / 27,114.15-40,618.26-18,679.17

Finding the Fourth Proportional to 27,114.15, 40,618.26 and 18,679.17

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Solution

The fourth proportional to 27,114.15, 40,618.26 and 18,679.17 is: 27,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,114.15 : 40,618.26 = 18,679.17 : x
  2. Step 2: Convert to fraction form
    27,114.15/40,618.26 = 18,679.17/x
  3. Step 3: Cross multiply
    27,114.15x = 40,618.26 × 18,679.17
  4. Step 4: Simplify right side
    27,114.15x = 758,715,383.64
  5. Step 5: Solve for x
    x = 758,715,383.64/27,114.15
  6. Step 6: Final answer
    x = 27,982.27

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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.