Home / 27,787.76-41,684.88-11,153.60

Finding the Fourth Proportional to 27,787.76, 41,684.88 and 11,153.60

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Solution

The fourth proportional to 27,787.76, 41,684.88 and 11,153.60 is: 16,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.76 : 41,684.88 = 11,153.60 : x
  2. Step 2: Convert to fraction form
    27,787.76/41,684.88 = 11,153.60/x
  3. Step 3: Cross multiply
    27,787.76x = 41,684.88 × 11,153.60
  4. Step 4: Simplify right side
    27,787.76x = 464,936,477.57
  5. Step 5: Solve for x
    x = 464,936,477.57/27,787.76
  6. Step 6: Final answer
    x = 16,731.70

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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.