Home / 27,920.83-41,821.09-13,107.55

Finding the Fourth Proportional to 27,920.83, 41,821.09 and 13,107.55

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Solution

The fourth proportional to 27,920.83, 41,821.09 and 13,107.55 is: 19,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.83 : 41,821.09 = 13,107.55 : x
  2. Step 2: Convert to fraction form
    27,920.83/41,821.09 = 13,107.55/x
  3. Step 3: Cross multiply
    27,920.83x = 41,821.09 × 13,107.55
  4. Step 4: Simplify right side
    27,920.83x = 548,171,925.43
  5. Step 5: Solve for x
    x = 548,171,925.43/27,920.83
  6. Step 6: Final answer
    x = 19,633.08

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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.