Home / 25,716.78-38,729.25-22,630.59

Finding the Fourth Proportional to 25,716.78, 38,729.25 and 22,630.59

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Solution

The fourth proportional to 25,716.78, 38,729.25 and 22,630.59 is: 34,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.78 : 38,729.25 = 22,630.59 : x
  2. Step 2: Convert to fraction form
    25,716.78/38,729.25 = 22,630.59/x
  3. Step 3: Cross multiply
    25,716.78x = 38,729.25 × 22,630.59
  4. Step 4: Simplify right side
    25,716.78x = 876,465,777.76
  5. Step 5: Solve for x
    x = 876,465,777.76/25,716.78
  6. Step 6: Final answer
    x = 34,081.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.