Home / 25,857.73-35,713.71-20,701.58

Finding the Fourth Proportional to 25,857.73, 35,713.71 and 20,701.58

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Solution

The fourth proportional to 25,857.73, 35,713.71 and 20,701.58 is: 28,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857.73 : 35,713.71 = 20,701.58 : x
  2. Step 2: Convert to fraction form
    25,857.73/35,713.71 = 20,701.58/x
  3. Step 3: Cross multiply
    25,857.73x = 35,713.71 × 20,701.58
  4. Step 4: Simplify right side
    25,857.73x = 739,330,046.09
  5. Step 5: Solve for x
    x = 739,330,046.09/25,857.73
  6. Step 6: Final answer
    x = 28,592.22

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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.