Home / 27,881.00-38,474.47-15,133.90

Finding the Fourth Proportional to 27,881.00, 38,474.47 and 15,133.90

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Solution

The fourth proportional to 27,881.00, 38,474.47 and 15,133.90 is: 20,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.00 : 38,474.47 = 15,133.90 : x
  2. Step 2: Convert to fraction form
    27,881.00/38,474.47 = 15,133.90/x
  3. Step 3: Cross multiply
    27,881.00x = 38,474.47 × 15,133.90
  4. Step 4: Simplify right side
    27,881.00x = 582,268,704.26
  5. Step 5: Solve for x
    x = 582,268,704.26/27,881.00
  6. Step 6: Final answer
    x = 20,884.07

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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.