Home / 26,418.19-39,629.04-9,777.82

Finding the Fourth Proportional to 26,418.19, 39,629.04 and 9,777.82

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Solution

The fourth proportional to 26,418.19, 39,629.04 and 9,777.82 is: 14,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.19 : 39,629.04 = 9,777.82 : x
  2. Step 2: Convert to fraction form
    26,418.19/39,629.04 = 9,777.82/x
  3. Step 3: Cross multiply
    26,418.19x = 39,629.04 × 9,777.82
  4. Step 4: Simplify right side
    26,418.19x = 387,485,619.89
  5. Step 5: Solve for x
    x = 387,485,619.89/26,418.19
  6. Step 6: Final answer
    x = 14,667.38

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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.