Home / 27,936.34-38,561.06-17,891.79

Finding the Fourth Proportional to 27,936.34, 38,561.06 and 17,891.79

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Solution

The fourth proportional to 27,936.34, 38,561.06 and 17,891.79 is: 24,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.34 : 38,561.06 = 17,891.79 : x
  2. Step 2: Convert to fraction form
    27,936.34/38,561.06 = 17,891.79/x
  3. Step 3: Cross multiply
    27,936.34x = 38,561.06 × 17,891.79
  4. Step 4: Simplify right side
    27,936.34x = 689,926,287.82
  5. Step 5: Solve for x
    x = 689,926,287.82/27,936.34
  6. Step 6: Final answer
    x = 24,696.37

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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.