Home / 27,129.44-37,436.48-15,190

Finding the Fourth Proportional to 27,129.44, 37,436.48 and 15,190

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Solution

The fourth proportional to 27,129.44, 37,436.48 and 15,190 is: 20,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.44 : 37,436.48 = 15,190 : x
  2. Step 2: Convert to fraction form
    27,129.44/37,436.48 = 15,190/x
  3. Step 3: Cross multiply
    27,129.44x = 37,436.48 × 15,190
  4. Step 4: Simplify right side
    27,129.44x = 568,660,131.20
  5. Step 5: Solve for x
    x = 568,660,131.20/27,129.44
  6. Step 6: Final answer
    x = 20,961.00

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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.