Home / 35,007.20-52,455.76-21,839.84

Finding the Fourth Proportional to 35,007.20, 52,455.76 and 21,839.84

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Solution

The fourth proportional to 35,007.20, 52,455.76 and 21,839.84 is: 32,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,007.20 : 52,455.76 = 21,839.84 : x
  2. Step 2: Convert to fraction form
    35,007.20/52,455.76 = 21,839.84/x
  3. Step 3: Cross multiply
    35,007.20x = 52,455.76 × 21,839.84
  4. Step 4: Simplify right side
    35,007.20x = 1,145,625,405.48
  5. Step 5: Solve for x
    x = 1,145,625,405.48/35,007.20
  6. Step 6: Final answer
    x = 32,725.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.