Home / 26,144.81-39,195.31-18,224.09

Finding the Fourth Proportional to 26,144.81, 39,195.31 and 18,224.09

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Solution

The fourth proportional to 26,144.81, 39,195.31 and 18,224.09 is: 27,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,144.81 : 39,195.31 = 18,224.09 : x
  2. Step 2: Convert to fraction form
    26,144.81/39,195.31 = 18,224.09/x
  3. Step 3: Cross multiply
    26,144.81x = 39,195.31 × 18,224.09
  4. Step 4: Simplify right side
    26,144.81x = 714,298,857.02
  5. Step 5: Solve for x
    x = 714,298,857.02/26,144.81
  6. Step 6: Final answer
    x = 27,320.87

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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.