Home / 26,447.68-39,659.94-19,021.12

Finding the Fourth Proportional to 26,447.68, 39,659.94 and 19,021.12

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Solution

The fourth proportional to 26,447.68, 39,659.94 and 19,021.12 is: 28,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447.68 : 39,659.94 = 19,021.12 : x
  2. Step 2: Convert to fraction form
    26,447.68/39,659.94 = 19,021.12/x
  3. Step 3: Cross multiply
    26,447.68x = 39,659.94 × 19,021.12
  4. Step 4: Simplify right side
    26,447.68x = 754,376,477.93
  5. Step 5: Solve for x
    x = 754,376,477.93/26,447.68
  6. Step 6: Final answer
    x = 28,523.35

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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.