Home / 27,368.58-37,768.73-15,431.92

Finding the Fourth Proportional to 27,368.58, 37,768.73 and 15,431.92

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Solution

The fourth proportional to 27,368.58, 37,768.73 and 15,431.92 is: 21,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,368.58 : 37,768.73 = 15,431.92 : x
  2. Step 2: Convert to fraction form
    27,368.58/37,768.73 = 15,431.92/x
  3. Step 3: Cross multiply
    27,368.58x = 37,768.73 × 15,431.92
  4. Step 4: Simplify right side
    27,368.58x = 582,843,935.08
  5. Step 5: Solve for x
    x = 582,843,935.08/27,368.58
  6. Step 6: Final answer
    x = 21,296.09

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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.