Home / 38,273.08-52,814.82-21,505

Finding the Fourth Proportional to 38,273.08, 52,814.82 and 21,505

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Solution

The fourth proportional to 38,273.08, 52,814.82 and 21,505 is: 29,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,273.08 : 52,814.82 = 21,505 : x
  2. Step 2: Convert to fraction form
    38,273.08/52,814.82 = 21,505/x
  3. Step 3: Cross multiply
    38,273.08x = 52,814.82 × 21,505
  4. Step 4: Simplify right side
    38,273.08x = 1,135,782,704.10
  5. Step 5: Solve for x
    x = 1,135,782,704.10/38,273.08
  6. Step 6: Final answer
    x = 29,675.76

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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.