Home / 27,420.94-41,131.41-9,890.76

Finding the Fourth Proportional to 27,420.94, 41,131.41 and 9,890.76

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Solution

The fourth proportional to 27,420.94, 41,131.41 and 9,890.76 is: 14,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.94 : 41,131.41 = 9,890.76 : x
  2. Step 2: Convert to fraction form
    27,420.94/41,131.41 = 9,890.76/x
  3. Step 3: Cross multiply
    27,420.94x = 41,131.41 × 9,890.76
  4. Step 4: Simplify right side
    27,420.94x = 406,821,077.56
  5. Step 5: Solve for x
    x = 406,821,077.56/27,420.94
  6. Step 6: Final answer
    x = 14,836.15

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1.5x scale

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.