Home / 27,873.48-38,466.58-15,936.82

Finding the Fourth Proportional to 27,873.48, 38,466.58 and 15,936.82

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Solution

The fourth proportional to 27,873.48, 38,466.58 and 15,936.82 is: 21,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.48 : 38,466.58 = 15,936.82 : x
  2. Step 2: Convert to fraction form
    27,873.48/38,466.58 = 15,936.82/x
  3. Step 3: Cross multiply
    27,873.48x = 38,466.58 × 15,936.82
  4. Step 4: Simplify right side
    27,873.48x = 613,034,855.35
  5. Step 5: Solve for x
    x = 613,034,855.35/27,873.48
  6. Step 6: Final answer
    x = 21,993.48

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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.