Home / 25,906.06-38,815.35-20,701

Finding the Fourth Proportional to 25,906.06, 38,815.35 and 20,701

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Solution

The fourth proportional to 25,906.06, 38,815.35 and 20,701 is: 31,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.06 : 38,815.35 = 20,701 : x
  2. Step 2: Convert to fraction form
    25,906.06/38,815.35 = 20,701/x
  3. Step 3: Cross multiply
    25,906.06x = 38,815.35 × 20,701
  4. Step 4: Simplify right side
    25,906.06x = 803,516,560.35
  5. Step 5: Solve for x
    x = 803,516,560.35/25,906.06
  6. Step 6: Final answer
    x = 31,016.55

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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.