Home / 25,662.28-35,414.66-14,485

Finding the Fourth Proportional to 25,662.28, 35,414.66 and 14,485

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Solution

The fourth proportional to 25,662.28, 35,414.66 and 14,485 is: 19,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.28 : 35,414.66 = 14,485 : x
  2. Step 2: Convert to fraction form
    25,662.28/35,414.66 = 14,485/x
  3. Step 3: Cross multiply
    25,662.28x = 35,414.66 × 14,485
  4. Step 4: Simplify right side
    25,662.28x = 512,981,350.10
  5. Step 5: Solve for x
    x = 512,981,350.10/25,662.28
  6. Step 6: Final answer
    x = 19,989.70

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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.