Home / 27,961.04-38,586.16-16,783.04

Finding the Fourth Proportional to 27,961.04, 38,586.16 and 16,783.04

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Solution

The fourth proportional to 27,961.04, 38,586.16 and 16,783.04 is: 23,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.04 : 38,586.16 = 16,783.04 : x
  2. Step 2: Convert to fraction form
    27,961.04/38,586.16 = 16,783.04/x
  3. Step 3: Cross multiply
    27,961.04x = 38,586.16 × 16,783.04
  4. Step 4: Simplify right side
    27,961.04x = 647,593,066.73
  5. Step 5: Solve for x
    x = 647,593,066.73/27,961.04
  6. Step 6: Final answer
    x = 23,160.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.