Home / 27,436.78-41,156.70-7,713.80

Finding the Fourth Proportional to 27,436.78, 41,156.70 and 7,713.80

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Solution

The fourth proportional to 27,436.78, 41,156.70 and 7,713.80 is: 11,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.78 : 41,156.70 = 7,713.80 : x
  2. Step 2: Convert to fraction form
    27,436.78/41,156.70 = 7,713.80/x
  3. Step 3: Cross multiply
    27,436.78x = 41,156.70 × 7,713.80
  4. Step 4: Simplify right side
    27,436.78x = 317,474,552.46
  5. Step 5: Solve for x
    x = 317,474,552.46/27,436.78
  6. Step 6: Final answer
    x = 11,571.13

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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.