Home / 25,961.79-35,827.44-15,213.03

Finding the Fourth Proportional to 25,961.79, 35,827.44 and 15,213.03

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Solution

The fourth proportional to 25,961.79, 35,827.44 and 15,213.03 is: 20,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.79 : 35,827.44 = 15,213.03 : x
  2. Step 2: Convert to fraction form
    25,961.79/35,827.44 = 15,213.03/x
  3. Step 3: Cross multiply
    25,961.79x = 35,827.44 × 15,213.03
  4. Step 4: Simplify right side
    25,961.79x = 545,043,919.54
  5. Step 5: Solve for x
    x = 545,043,919.54/25,961.79
  6. Step 6: Final answer
    x = 20,994.08

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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.