Home / 27,688.30-41,532.55-6,911.80

Finding the Fourth Proportional to 27,688.30, 41,532.55 and 6,911.80

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Solution

The fourth proportional to 27,688.30, 41,532.55 and 6,911.80 is: 10,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.30 : 41,532.55 = 6,911.80 : x
  2. Step 2: Convert to fraction form
    27,688.30/41,532.55 = 6,911.80/x
  3. Step 3: Cross multiply
    27,688.30x = 41,532.55 × 6,911.80
  4. Step 4: Simplify right side
    27,688.30x = 287,064,557.98
  5. Step 5: Solve for x
    x = 287,064,557.98/27,688.30
  6. Step 6: Final answer
    x = 10,367.72

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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.