Home / 27,935.91-38,593.94-20,850.03

Finding the Fourth Proportional to 27,935.91, 38,593.94 and 20,850.03

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Solution

The fourth proportional to 27,935.91, 38,593.94 and 20,850.03 is: 28,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.91 : 38,593.94 = 20,850.03 : x
  2. Step 2: Convert to fraction form
    27,935.91/38,593.94 = 20,850.03/x
  3. Step 3: Cross multiply
    27,935.91x = 38,593.94 × 20,850.03
  4. Step 4: Simplify right side
    27,935.91x = 804,684,702.57
  5. Step 5: Solve for x
    x = 804,684,702.57/27,935.91
  6. Step 6: Final answer
    x = 28,804.67

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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.