Home / 27,974-41,977.48-12,391.76

Finding the Fourth Proportional to 27,974, 41,977.48 and 12,391.76

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Solution

The fourth proportional to 27,974, 41,977.48 and 12,391.76 is: 18,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974 : 41,977.48 = 12,391.76 : x
  2. Step 2: Convert to fraction form
    27,974/41,977.48 = 12,391.76/x
  3. Step 3: Cross multiply
    27,974x = 41,977.48 × 12,391.76
  4. Step 4: Simplify right side
    27,974x = 520,174,857.56
  5. Step 5: Solve for x
    x = 520,174,857.56/27,974
  6. Step 6: Final answer
    x = 18,594.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.