Home / 26,519.82-39,777.62-15,419.43

Finding the Fourth Proportional to 26,519.82, 39,777.62 and 15,419.43

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Solution

The fourth proportional to 26,519.82, 39,777.62 and 15,419.43 is: 23,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,519.82 : 39,777.62 = 15,419.43 : x
  2. Step 2: Convert to fraction form
    26,519.82/39,777.62 = 15,419.43/x
  3. Step 3: Cross multiply
    26,519.82x = 39,777.62 × 15,419.43
  4. Step 4: Simplify right side
    26,519.82x = 613,348,150.06
  5. Step 5: Solve for x
    x = 613,348,150.06/26,519.82
  6. Step 6: Final answer
    x = 23,127.92

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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.