Home / 26,022-39,036.36-11,978.64

Finding the Fourth Proportional to 26,022, 39,036.36 and 11,978.64

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Solution

The fourth proportional to 26,022, 39,036.36 and 11,978.64 is: 17,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,022 : 39,036.36 = 11,978.64 : x
  2. Step 2: Convert to fraction form
    26,022/39,036.36 = 11,978.64/x
  3. Step 3: Cross multiply
    26,022x = 39,036.36 × 11,978.64
  4. Step 4: Simplify right side
    26,022x = 467,602,503.35
  5. Step 5: Solve for x
    x = 467,602,503.35/26,022
  6. Step 6: Final answer
    x = 17,969.51

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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.