Home / 27,733.62-38,272.38-15,158.37

Finding the Fourth Proportional to 27,733.62, 38,272.38 and 15,158.37

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Solution

The fourth proportional to 27,733.62, 38,272.38 and 15,158.37 is: 20,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,733.62 : 38,272.38 = 15,158.37 : x
  2. Step 2: Convert to fraction form
    27,733.62/38,272.38 = 15,158.37/x
  3. Step 3: Cross multiply
    27,733.62x = 38,272.38 × 15,158.37
  4. Step 4: Simplify right side
    27,733.62x = 580,146,896.82
  5. Step 5: Solve for x
    x = 580,146,896.82/27,733.62
  6. Step 6: Final answer
    x = 20,918.54

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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.