Home / 27,925.78-38,576.82-25,403.44

Finding the Fourth Proportional to 27,925.78, 38,576.82 and 25,403.44

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Solution

The fourth proportional to 27,925.78, 38,576.82 and 25,403.44 is: 35,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.78 : 38,576.82 = 25,403.44 : x
  2. Step 2: Convert to fraction form
    27,925.78/38,576.82 = 25,403.44/x
  3. Step 3: Cross multiply
    27,925.78x = 38,576.82 × 25,403.44
  4. Step 4: Simplify right side
    27,925.78x = 979,983,932.26
  5. Step 5: Solve for x
    x = 979,983,932.26/27,925.78
  6. Step 6: Final answer
    x = 35,092.45

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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.