Home / 27,988.10-41,982.51-8,266.94

Finding the Fourth Proportional to 27,988.10, 41,982.51 and 8,266.94

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Solution

The fourth proportional to 27,988.10, 41,982.51 and 8,266.94 is: 12,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.10 : 41,982.51 = 8,266.94 : x
  2. Step 2: Convert to fraction form
    27,988.10/41,982.51 = 8,266.94/x
  3. Step 3: Cross multiply
    27,988.10x = 41,982.51 × 8,266.94
  4. Step 4: Simplify right side
    27,988.10x = 347,066,891.22
  5. Step 5: Solve for x
    x = 347,066,891.22/27,988.10
  6. Step 6: Final answer
    x = 12,400.52

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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.