Home / 26,643.48-39,991.56-14,163.54

Finding the Fourth Proportional to 26,643.48, 39,991.56 and 14,163.54

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Solution

The fourth proportional to 26,643.48, 39,991.56 and 14,163.54 is: 21,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.48 : 39,991.56 = 14,163.54 : x
  2. Step 2: Convert to fraction form
    26,643.48/39,991.56 = 14,163.54/x
  3. Step 3: Cross multiply
    26,643.48x = 39,991.56 × 14,163.54
  4. Step 4: Simplify right side
    26,643.48x = 566,422,059.72
  5. Step 5: Solve for x
    x = 566,422,059.72/26,643.48
  6. Step 6: Final answer
    x = 21,259.31

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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.