Home / 27,002-40,501.28-10,131.68

Finding the Fourth Proportional to 27,002, 40,501.28 and 10,131.68

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Solution

The fourth proportional to 27,002, 40,501.28 and 10,131.68 is: 15,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,002 : 40,501.28 = 10,131.68 : x
  2. Step 2: Convert to fraction form
    27,002/40,501.28 = 10,131.68/x
  3. Step 3: Cross multiply
    27,002x = 40,501.28 × 10,131.68
  4. Step 4: Simplify right side
    27,002x = 410,346,008.55
  5. Step 5: Solve for x
    x = 410,346,008.55/27,002
  6. Step 6: Final answer
    x = 15,196.87

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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.