Home / 27,522.78-37,985.64-22,201.08

Finding the Fourth Proportional to 27,522.78, 37,985.64 and 22,201.08

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Solution

The fourth proportional to 27,522.78, 37,985.64 and 22,201.08 is: 30,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,522.78 : 37,985.64 = 22,201.08 : x
  2. Step 2: Convert to fraction form
    27,522.78/37,985.64 = 22,201.08/x
  3. Step 3: Cross multiply
    27,522.78x = 37,985.64 × 22,201.08
  4. Step 4: Simplify right side
    27,522.78x = 843,322,232.49
  5. Step 5: Solve for x
    x = 843,322,232.49/27,522.78
  6. Step 6: Final answer
    x = 30,640.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.