Home / 22,172.44-33,258.84-15,628

Finding the Fourth Proportional to 22,172.44, 33,258.84 and 15,628

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Solution

The fourth proportional to 22,172.44, 33,258.84 and 15,628 is: 23,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.44 : 33,258.84 = 15,628 : x
  2. Step 2: Convert to fraction form
    22,172.44/33,258.84 = 15,628/x
  3. Step 3: Cross multiply
    22,172.44x = 33,258.84 × 15,628
  4. Step 4: Simplify right side
    22,172.44x = 519,769,151.52
  5. Step 5: Solve for x
    x = 519,769,151.52/22,172.44
  6. Step 6: Final answer
    x = 23,442.13

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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.