Home / 27,272.43-37,629.09-15,935.40

Finding the Fourth Proportional to 27,272.43, 37,629.09 and 15,935.40

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Solution

The fourth proportional to 27,272.43, 37,629.09 and 15,935.40 is: 21,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.43 : 37,629.09 = 15,935.40 : x
  2. Step 2: Convert to fraction form
    27,272.43/37,629.09 = 15,935.40/x
  3. Step 3: Cross multiply
    27,272.43x = 37,629.09 × 15,935.40
  4. Step 4: Simplify right side
    27,272.43x = 599,634,600.79
  5. Step 5: Solve for x
    x = 599,634,600.79/27,272.43
  6. Step 6: Final answer
    x = 21,986.84

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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.