Home / 27,734.18-38,273.65-15,796.80

Finding the Fourth Proportional to 27,734.18, 38,273.65 and 15,796.80

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Solution

The fourth proportional to 27,734.18, 38,273.65 and 15,796.80 is: 21,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.18 : 38,273.65 = 15,796.80 : x
  2. Step 2: Convert to fraction form
    27,734.18/38,273.65 = 15,796.80/x
  3. Step 3: Cross multiply
    27,734.18x = 38,273.65 × 15,796.80
  4. Step 4: Simplify right side
    27,734.18x = 604,601,154.83
  5. Step 5: Solve for x
    x = 604,601,154.83/27,734.18
  6. Step 6: Final answer
    x = 21,799.86

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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.