Home / 27,787.60-41,686.80-8,066.80

Finding the Fourth Proportional to 27,787.60, 41,686.80 and 8,066.80

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Solution

The fourth proportional to 27,787.60, 41,686.80 and 8,066.80 is: 12,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.60 : 41,686.80 = 8,066.80 : x
  2. Step 2: Convert to fraction form
    27,787.60/41,686.80 = 8,066.80/x
  3. Step 3: Cross multiply
    27,787.60x = 41,686.80 × 8,066.80
  4. Step 4: Simplify right side
    27,787.60x = 336,279,078.24
  5. Step 5: Solve for x
    x = 336,279,078.24/27,787.60
  6. Step 6: Final answer
    x = 12,101.77

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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.