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Finding the Fourth Proportional to 25,777.53, 35,469.90 and 25,007.22

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Solution

The fourth proportional to 25,777.53, 35,469.90 and 25,007.22 is: 34,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.53 : 35,469.90 = 25,007.22 : x
  2. Step 2: Convert to fraction form
    25,777.53/35,469.90 = 25,007.22/x
  3. Step 3: Cross multiply
    25,777.53x = 35,469.90 × 25,007.22
  4. Step 4: Simplify right side
    25,777.53x = 887,003,592.68
  5. Step 5: Solve for x
    x = 887,003,592.68/25,777.53
  6. Step 6: Final answer
    x = 34,409.95

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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.