Home / 18,027.45-27,015.66-14,127.30

Finding the Fourth Proportional to 18,027.45, 27,015.66 and 14,127.30

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Solution

The fourth proportional to 18,027.45, 27,015.66 and 14,127.30 is: 21,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.45 : 27,015.66 = 14,127.30 : x
  2. Step 2: Convert to fraction form
    18,027.45/27,015.66 = 14,127.30/x
  3. Step 3: Cross multiply
    18,027.45x = 27,015.66 × 14,127.30
  4. Step 4: Simplify right side
    18,027.45x = 381,658,333.52
  5. Step 5: Solve for x
    x = 381,658,333.52/18,027.45
  6. Step 6: Final answer
    x = 21,170.96

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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.