Home / 25,851.20-35,678.04-15,241.82

Finding the Fourth Proportional to 25,851.20, 35,678.04 and 15,241.82

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Solution

The fourth proportional to 25,851.20, 35,678.04 and 15,241.82 is: 21,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.20 : 35,678.04 = 15,241.82 : x
  2. Step 2: Convert to fraction form
    25,851.20/35,678.04 = 15,241.82/x
  3. Step 3: Cross multiply
    25,851.20x = 35,678.04 × 15,241.82
  4. Step 4: Simplify right side
    25,851.20x = 543,798,263.63
  5. Step 5: Solve for x
    x = 543,798,263.63/25,851.20
  6. Step 6: Final answer
    x = 21,035.71

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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.