Home / 25,884.84-35,712.49-21,096.55

Finding the Fourth Proportional to 25,884.84, 35,712.49 and 21,096.55

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Solution

The fourth proportional to 25,884.84, 35,712.49 and 21,096.55 is: 29,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,884.84 : 35,712.49 = 21,096.55 : x
  2. Step 2: Convert to fraction form
    25,884.84/35,712.49 = 21,096.55/x
  3. Step 3: Cross multiply
    25,884.84x = 35,712.49 × 21,096.55
  4. Step 4: Simplify right side
    25,884.84x = 753,410,462.81
  5. Step 5: Solve for x
    x = 753,410,462.81/25,884.84
  6. Step 6: Final answer
    x = 29,106.25

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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.