Home / 26,582.80-39,796.80-20,721.52

Finding the Fourth Proportional to 26,582.80, 39,796.80 and 20,721.52

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Solution

The fourth proportional to 26,582.80, 39,796.80 and 20,721.52 is: 31,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,582.80 : 39,796.80 = 20,721.52 : x
  2. Step 2: Convert to fraction form
    26,582.80/39,796.80 = 20,721.52/x
  3. Step 3: Cross multiply
    26,582.80x = 39,796.80 × 20,721.52
  4. Step 4: Simplify right side
    26,582.80x = 824,650,187.14
  5. Step 5: Solve for x
    x = 824,650,187.14/26,582.80
  6. Step 6: Final answer
    x = 31,021.95

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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.