Home / 27,793.66-38,315.18-19,822.04

Finding the Fourth Proportional to 27,793.66, 38,315.18 and 19,822.04

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Solution

The fourth proportional to 27,793.66, 38,315.18 and 19,822.04 is: 27,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.66 : 38,315.18 = 19,822.04 : x
  2. Step 2: Convert to fraction form
    27,793.66/38,315.18 = 19,822.04/x
  3. Step 3: Cross multiply
    27,793.66x = 38,315.18 × 19,822.04
  4. Step 4: Simplify right side
    27,793.66x = 759,485,028.49
  5. Step 5: Solve for x
    x = 759,485,028.49/27,793.66
  6. Step 6: Final answer
    x = 27,325.84

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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.