Home / 26,655.09-39,969.68-15,565.38

Finding the Fourth Proportional to 26,655.09, 39,969.68 and 15,565.38

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Solution

The fourth proportional to 26,655.09, 39,969.68 and 15,565.38 is: 23,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.09 : 39,969.68 = 15,565.38 : x
  2. Step 2: Convert to fraction form
    26,655.09/39,969.68 = 15,565.38/x
  3. Step 3: Cross multiply
    26,655.09x = 39,969.68 × 15,565.38
  4. Step 4: Simplify right side
    26,655.09x = 622,143,179.85
  5. Step 5: Solve for x
    x = 622,143,179.85/26,655.09
  6. Step 6: Final answer
    x = 23,340.50

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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.