Home / 28,076.62-42,102.65-10,534.14

Finding the Fourth Proportional to 28,076.62, 42,102.65 and 10,534.14

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Solution

The fourth proportional to 28,076.62, 42,102.65 and 10,534.14 is: 15,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.62 : 42,102.65 = 10,534.14 : x
  2. Step 2: Convert to fraction form
    28,076.62/42,102.65 = 10,534.14/x
  3. Step 3: Cross multiply
    28,076.62x = 42,102.65 × 10,534.14
  4. Step 4: Simplify right side
    28,076.62x = 443,515,209.47
  5. Step 5: Solve for x
    x = 443,515,209.47/28,076.62
  6. Step 6: Final answer
    x = 15,796.60

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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.