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Finding the Fourth Proportional to 22,356.75, 33,514.28 and 7,555.32

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Solution

The fourth proportional to 22,356.75, 33,514.28 and 7,555.32 is: 11,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.75 : 33,514.28 = 7,555.32 : x
  2. Step 2: Convert to fraction form
    22,356.75/33,514.28 = 7,555.32/x
  3. Step 3: Cross multiply
    22,356.75x = 33,514.28 × 7,555.32
  4. Step 4: Simplify right side
    22,356.75x = 253,211,143.02
  5. Step 5: Solve for x
    x = 253,211,143.02/22,356.75
  6. Step 6: Final answer
    x = 11,325.94

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1.5x scale

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.