Home / 27,843.63-38,424.41-15,268.38

Finding the Fourth Proportional to 27,843.63, 38,424.41 and 15,268.38

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Solution

The fourth proportional to 27,843.63, 38,424.41 and 15,268.38 is: 21,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843.63 : 38,424.41 = 15,268.38 : x
  2. Step 2: Convert to fraction form
    27,843.63/38,424.41 = 15,268.38/x
  3. Step 3: Cross multiply
    27,843.63x = 38,424.41 × 15,268.38
  4. Step 4: Simplify right side
    27,843.63x = 586,678,493.16
  5. Step 5: Solve for x
    x = 586,678,493.16/27,843.63
  6. Step 6: Final answer
    x = 21,070.47

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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.