Home / 27,935.03-38,551-15,188.94

Finding the Fourth Proportional to 27,935.03, 38,551 and 15,188.94

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Solution

The fourth proportional to 27,935.03, 38,551 and 15,188.94 is: 20,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.03 : 38,551 = 15,188.94 : x
  2. Step 2: Convert to fraction form
    27,935.03/38,551 = 15,188.94/x
  3. Step 3: Cross multiply
    27,935.03x = 38,551 × 15,188.94
  4. Step 4: Simplify right side
    27,935.03x = 585,548,825.94
  5. Step 5: Solve for x
    x = 585,548,825.94/27,935.03
  6. Step 6: Final answer
    x = 20,961.10

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Half scale
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Double scale
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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.