Home / 27,115.24-37,418.34-15,178

Finding the Fourth Proportional to 27,115.24, 37,418.34 and 15,178

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Solution

The fourth proportional to 27,115.24, 37,418.34 and 15,178 is: 20,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.24 : 37,418.34 = 15,178 : x
  2. Step 2: Convert to fraction form
    27,115.24/37,418.34 = 15,178/x
  3. Step 3: Cross multiply
    27,115.24x = 37,418.34 × 15,178
  4. Step 4: Simplify right side
    27,115.24x = 567,935,564.52
  5. Step 5: Solve for x
    x = 567,935,564.52/27,115.24
  6. Step 6: Final answer
    x = 20,945.25

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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.