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Finding the Fourth Proportional to 27,277, 40,914.34 and 8,556.64

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Solution

The fourth proportional to 27,277, 40,914.34 and 8,556.64 is: 12,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277 : 40,914.34 = 8,556.64 : x
  2. Step 2: Convert to fraction form
    27,277/40,914.34 = 8,556.64/x
  3. Step 3: Cross multiply
    27,277x = 40,914.34 × 8,556.64
  4. Step 4: Simplify right side
    27,277x = 350,089,278.22
  5. Step 5: Solve for x
    x = 350,089,278.22/27,277
  6. Step 6: Final answer
    x = 12,834.60

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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.