Home / 27,780.76-41,674.38-11,146.60

Finding the Fourth Proportional to 27,780.76, 41,674.38 and 11,146.60

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Solution

The fourth proportional to 27,780.76, 41,674.38 and 11,146.60 is: 16,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780.76 : 41,674.38 = 11,146.60 : x
  2. Step 2: Convert to fraction form
    27,780.76/41,674.38 = 11,146.60/x
  3. Step 3: Cross multiply
    27,780.76x = 41,674.38 × 11,146.60
  4. Step 4: Simplify right side
    27,780.76x = 464,527,644.11
  5. Step 5: Solve for x
    x = 464,527,644.11/27,780.76
  6. Step 6: Final answer
    x = 16,721.20

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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.