Home / 27,900.30-41,830.40-13,100.99

Finding the Fourth Proportional to 27,900.30, 41,830.40 and 13,100.99

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Solution

The fourth proportional to 27,900.30, 41,830.40 and 13,100.99 is: 19,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.30 : 41,830.40 = 13,100.99 : x
  2. Step 2: Convert to fraction form
    27,900.30/41,830.40 = 13,100.99/x
  3. Step 3: Cross multiply
    27,900.30x = 41,830.40 × 13,100.99
  4. Step 4: Simplify right side
    27,900.30x = 548,019,377.44
  5. Step 5: Solve for x
    x = 548,019,377.44/27,900.30
  6. Step 6: Final answer
    x = 19,642.06

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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.