Home / 27,781.70-41,623.94-23,131.60

Finding the Fourth Proportional to 27,781.70, 41,623.94 and 23,131.60

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Solution

The fourth proportional to 27,781.70, 41,623.94 and 23,131.60 is: 34,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,781.70 : 41,623.94 = 23,131.60 : x
  2. Step 2: Convert to fraction form
    27,781.70/41,623.94 = 23,131.60/x
  3. Step 3: Cross multiply
    27,781.70x = 41,623.94 × 23,131.60
  4. Step 4: Simplify right side
    27,781.70x = 962,828,330.50
  5. Step 5: Solve for x
    x = 962,828,330.50/27,781.70
  6. Step 6: Final answer
    x = 34,656.93

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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.