Home / 27,272.36-37,623.20-15,942.32

Finding the Fourth Proportional to 27,272.36, 37,623.20 and 15,942.32

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Solution

The fourth proportional to 27,272.36, 37,623.20 and 15,942.32 is: 21,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.36 : 37,623.20 = 15,942.32 : x
  2. Step 2: Convert to fraction form
    27,272.36/37,623.20 = 15,942.32/x
  3. Step 3: Cross multiply
    27,272.36x = 37,623.20 × 15,942.32
  4. Step 4: Simplify right side
    27,272.36x = 599,801,093.82
  5. Step 5: Solve for x
    x = 599,801,093.82/27,272.36
  6. Step 6: Final answer
    x = 21,993.00

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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.