Home / 27,740.22-41,620.55-19,905.27

Finding the Fourth Proportional to 27,740.22, 41,620.55 and 19,905.27

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Solution

The fourth proportional to 27,740.22, 41,620.55 and 19,905.27 is: 29,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,740.22 : 41,620.55 = 19,905.27 : x
  2. Step 2: Convert to fraction form
    27,740.22/41,620.55 = 19,905.27/x
  3. Step 3: Cross multiply
    27,740.22x = 41,620.55 × 19,905.27
  4. Step 4: Simplify right side
    27,740.22x = 828,468,185.77
  5. Step 5: Solve for x
    x = 828,468,185.77/27,740.22
  6. Step 6: Final answer
    x = 29,865.23

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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.