Home / 26,879.82-37,132.08-21,537.72

Finding the Fourth Proportional to 26,879.82, 37,132.08 and 21,537.72

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Solution

The fourth proportional to 26,879.82, 37,132.08 and 21,537.72 is: 29,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879.82 : 37,132.08 = 21,537.72 : x
  2. Step 2: Convert to fraction form
    26,879.82/37,132.08 = 21,537.72/x
  3. Step 3: Cross multiply
    26,879.82x = 37,132.08 × 21,537.72
  4. Step 4: Simplify right side
    26,879.82x = 799,740,342.06
  5. Step 5: Solve for x
    x = 799,740,342.06/26,879.82
  6. Step 6: Final answer
    x = 29,752.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.