Home / 27,393.63-37,794.36-21,632.79

Finding the Fourth Proportional to 27,393.63, 37,794.36 and 21,632.79

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Solution

The fourth proportional to 27,393.63, 37,794.36 and 21,632.79 is: 29,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,393.63 : 37,794.36 = 21,632.79 : x
  2. Step 2: Convert to fraction form
    27,393.63/37,794.36 = 21,632.79/x
  3. Step 3: Cross multiply
    27,393.63x = 37,794.36 × 21,632.79
  4. Step 4: Simplify right side
    27,393.63x = 817,597,453.06
  5. Step 5: Solve for x
    x = 817,597,453.06/27,393.63
  6. Step 6: Final answer
    x = 29,846.26

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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.