Home / 27,093.19-37,390-15,156.72

Finding the Fourth Proportional to 27,093.19, 37,390 and 15,156.72

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Solution

The fourth proportional to 27,093.19, 37,390 and 15,156.72 is: 20,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,093.19 : 37,390 = 15,156.72 : x
  2. Step 2: Convert to fraction form
    27,093.19/37,390 = 15,156.72/x
  3. Step 3: Cross multiply
    27,093.19x = 37,390 × 15,156.72
  4. Step 4: Simplify right side
    27,093.19x = 566,709,760.80
  5. Step 5: Solve for x
    x = 566,709,760.80/27,093.19
  6. Step 6: Final answer
    x = 20,917.06

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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.