Home / 27,821.50-41,759.59-20,404.84

Finding the Fourth Proportional to 27,821.50, 41,759.59 and 20,404.84

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Solution

The fourth proportional to 27,821.50, 41,759.59 and 20,404.84 is: 30,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.50 : 41,759.59 = 20,404.84 : x
  2. Step 2: Convert to fraction form
    27,821.50/41,759.59 = 20,404.84/x
  3. Step 3: Cross multiply
    27,821.50x = 41,759.59 × 20,404.84
  4. Step 4: Simplify right side
    27,821.50x = 852,097,597.00
  5. Step 5: Solve for x
    x = 852,097,597.00/27,821.50
  6. Step 6: Final answer
    x = 30,627.31

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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.