Home / 27,847.12-38,431.08-15,273.04

Finding the Fourth Proportional to 27,847.12, 38,431.08 and 15,273.04

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Solution

The fourth proportional to 27,847.12, 38,431.08 and 15,273.04 is: 21,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.12 : 38,431.08 = 15,273.04 : x
  2. Step 2: Convert to fraction form
    27,847.12/38,431.08 = 15,273.04/x
  3. Step 3: Cross multiply
    27,847.12x = 38,431.08 × 15,273.04
  4. Step 4: Simplify right side
    27,847.12x = 586,959,422.08
  5. Step 5: Solve for x
    x = 586,959,422.08/27,847.12
  6. Step 6: Final answer
    x = 21,077.92

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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.