Home / 26,643.47-39,936.78-20,049.26

Finding the Fourth Proportional to 26,643.47, 39,936.78 and 20,049.26

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Solution

The fourth proportional to 26,643.47, 39,936.78 and 20,049.26 is: 30,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.47 : 39,936.78 = 20,049.26 : x
  2. Step 2: Convert to fraction form
    26,643.47/39,936.78 = 20,049.26/x
  3. Step 3: Cross multiply
    26,643.47x = 39,936.78 × 20,049.26
  4. Step 4: Simplify right side
    26,643.47x = 800,702,686.10
  5. Step 5: Solve for x
    x = 800,702,686.10/26,643.47
  6. Step 6: Final answer
    x = 30,052.50

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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.