Home / 26,286.36-39,406.07-9,642.50

Finding the Fourth Proportional to 26,286.36, 39,406.07 and 9,642.50

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Solution

The fourth proportional to 26,286.36, 39,406.07 and 9,642.50 is: 14,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.36 : 39,406.07 = 9,642.50 : x
  2. Step 2: Convert to fraction form
    26,286.36/39,406.07 = 9,642.50/x
  3. Step 3: Cross multiply
    26,286.36x = 39,406.07 × 9,642.50
  4. Step 4: Simplify right side
    26,286.36x = 379,972,857.05
  5. Step 5: Solve for x
    x = 379,972,857.05/26,286.36
  6. Step 6: Final answer
    x = 14,455.13

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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.