Home / 27,931.82-41,898.19-6,871.92

Finding the Fourth Proportional to 27,931.82, 41,898.19 and 6,871.92

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Solution

The fourth proportional to 27,931.82, 41,898.19 and 6,871.92 is: 10,307.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.82 : 41,898.19 = 6,871.92 : x
  2. Step 2: Convert to fraction form
    27,931.82/41,898.19 = 6,871.92/x
  3. Step 3: Cross multiply
    27,931.82x = 41,898.19 × 6,871.92
  4. Step 4: Simplify right side
    27,931.82x = 287,920,992.65
  5. Step 5: Solve for x
    x = 287,920,992.65/27,931.82
  6. Step 6: Final answer
    x = 10,307.99

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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.