Home / 25,851.78-35,674.50-15,797.04

Finding the Fourth Proportional to 25,851.78, 35,674.50 and 15,797.04

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Solution

The fourth proportional to 25,851.78, 35,674.50 and 15,797.04 is: 21,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.78 : 35,674.50 = 15,797.04 : x
  2. Step 2: Convert to fraction form
    25,851.78/35,674.50 = 15,797.04/x
  3. Step 3: Cross multiply
    25,851.78x = 35,674.50 × 15,797.04
  4. Step 4: Simplify right side
    25,851.78x = 563,551,503.48
  5. Step 5: Solve for x
    x = 563,551,503.48/25,851.78
  6. Step 6: Final answer
    x = 21,799.33

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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.