Home / 27,153.83-40,722.95-9,379.87

Finding the Fourth Proportional to 27,153.83, 40,722.95 and 9,379.87

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Solution

The fourth proportional to 27,153.83, 40,722.95 and 9,379.87 is: 14,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.83 : 40,722.95 = 9,379.87 : x
  2. Step 2: Convert to fraction form
    27,153.83/40,722.95 = 9,379.87/x
  3. Step 3: Cross multiply
    27,153.83x = 40,722.95 × 9,379.87
  4. Step 4: Simplify right side
    27,153.83x = 381,975,898.66
  5. Step 5: Solve for x
    x = 381,975,898.66/27,153.83
  6. Step 6: Final answer
    x = 14,067.11

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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.