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Finding the Fourth Proportional to 25,957.36, 35,815.80 and 16,522.48

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Solution

The fourth proportional to 25,957.36, 35,815.80 and 16,522.48 is: 22,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,957.36 : 35,815.80 = 16,522.48 : x
  2. Step 2: Convert to fraction form
    25,957.36/35,815.80 = 16,522.48/x
  3. Step 3: Cross multiply
    25,957.36x = 35,815.80 × 16,522.48
  4. Step 4: Simplify right side
    25,957.36x = 591,765,839.18
  5. Step 5: Solve for x
    x = 591,765,839.18/25,957.36
  6. Step 6: Final answer
    x = 22,797.61

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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.