Home / 27,421.13-41,131.69-9,890.95

Finding the Fourth Proportional to 27,421.13, 41,131.69 and 9,890.95

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Solution

The fourth proportional to 27,421.13, 41,131.69 and 9,890.95 is: 14,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.13 : 41,131.69 = 9,890.95 : x
  2. Step 2: Convert to fraction form
    27,421.13/41,131.69 = 9,890.95/x
  3. Step 3: Cross multiply
    27,421.13x = 41,131.69 × 9,890.95
  4. Step 4: Simplify right side
    27,421.13x = 406,831,571.53
  5. Step 5: Solve for x
    x = 406,831,571.53/27,421.13
  6. Step 6: Final answer
    x = 14,836.43

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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.