Home / 18,462.82-27,628.60-13,520.20

Finding the Fourth Proportional to 18,462.82, 27,628.60 and 13,520.20

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Solution

The fourth proportional to 18,462.82, 27,628.60 and 13,520.20 is: 20,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.82 : 27,628.60 = 13,520.20 : x
  2. Step 2: Convert to fraction form
    18,462.82/27,628.60 = 13,520.20/x
  3. Step 3: Cross multiply
    18,462.82x = 27,628.60 × 13,520.20
  4. Step 4: Simplify right side
    18,462.82x = 373,544,197.72
  5. Step 5: Solve for x
    x = 373,544,197.72/18,462.82
  6. Step 6: Final answer
    x = 20,232.24

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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.