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Finding the Fourth Proportional to 22,530.53, 33,724.93 and 15,469.22

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Solution

The fourth proportional to 22,530.53, 33,724.93 and 15,469.22 is: 23,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.53 : 33,724.93 = 15,469.22 : x
  2. Step 2: Convert to fraction form
    22,530.53/33,724.93 = 15,469.22/x
  3. Step 3: Cross multiply
    22,530.53x = 33,724.93 × 15,469.22
  4. Step 4: Simplify right side
    22,530.53x = 521,698,154.36
  5. Step 5: Solve for x
    x = 521,698,154.36/22,530.53
  6. Step 6: Final answer
    x = 23,155.17

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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.