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Finding the Fourth Proportional to 22,374.78, 33,541.20 and 7,573.34

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Solution

The fourth proportional to 22,374.78, 33,541.20 and 7,573.34 is: 11,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.78 : 33,541.20 = 7,573.34 : x
  2. Step 2: Convert to fraction form
    22,374.78/33,541.20 = 7,573.34/x
  3. Step 3: Cross multiply
    22,374.78x = 33,541.20 × 7,573.34
  4. Step 4: Simplify right side
    22,374.78x = 254,018,743.90
  5. Step 5: Solve for x
    x = 254,018,743.90/22,374.78
  6. Step 6: Final answer
    x = 11,352.90

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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.