Home / 26,406.52-39,629.14-21,274.36

Finding the Fourth Proportional to 26,406.52, 39,629.14 and 21,274.36

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Solution

The fourth proportional to 26,406.52, 39,629.14 and 21,274.36 is: 31,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,406.52 : 39,629.14 = 21,274.36 : x
  2. Step 2: Convert to fraction form
    26,406.52/39,629.14 = 21,274.36/x
  3. Step 3: Cross multiply
    26,406.52x = 39,629.14 × 21,274.36
  4. Step 4: Simplify right side
    26,406.52x = 843,084,590.85
  5. Step 5: Solve for x
    x = 843,084,590.85/26,406.52
  6. Step 6: Final answer
    x = 31,927.14

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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.