Home / 31,815.72-43,759.62-25,514.28

Finding the Fourth Proportional to 31,815.72, 43,759.62 and 25,514.28

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Solution

The fourth proportional to 31,815.72, 43,759.62 and 25,514.28 is: 35,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815.72 : 43,759.62 = 25,514.28 : x
  2. Step 2: Convert to fraction form
    31,815.72/43,759.62 = 25,514.28/x
  3. Step 3: Cross multiply
    31,815.72x = 43,759.62 × 25,514.28
  4. Step 4: Simplify right side
    31,815.72x = 1,116,495,197.37
  5. Step 5: Solve for x
    x = 1,116,495,197.37/31,815.72
  6. Step 6: Final answer
    x = 35,092.56

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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.