Home / 27,782.84-41,666.85-7,791.23

Finding the Fourth Proportional to 27,782.84, 41,666.85 and 7,791.23

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Solution

The fourth proportional to 27,782.84, 41,666.85 and 7,791.23 is: 11,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,782.84 : 41,666.85 = 7,791.23 : x
  2. Step 2: Convert to fraction form
    27,782.84/41,666.85 = 7,791.23/x
  3. Step 3: Cross multiply
    27,782.84x = 41,666.85 × 7,791.23
  4. Step 4: Simplify right side
    27,782.84x = 324,635,803.39
  5. Step 5: Solve for x
    x = 324,635,803.39/27,782.84
  6. Step 6: Final answer
    x = 11,684.76

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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.