Home / 27,892.73-38,491.31-15,145.94

Finding the Fourth Proportional to 27,892.73, 38,491.31 and 15,145.94

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Solution

The fourth proportional to 27,892.73, 38,491.31 and 15,145.94 is: 20,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.73 : 38,491.31 = 15,145.94 : x
  2. Step 2: Convert to fraction form
    27,892.73/38,491.31 = 15,145.94/x
  3. Step 3: Cross multiply
    27,892.73x = 38,491.31 × 15,145.94
  4. Step 4: Simplify right side
    27,892.73x = 582,987,071.78
  5. Step 5: Solve for x
    x = 582,987,071.78/27,892.73
  6. Step 6: Final answer
    x = 20,901.04

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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.