Home / 27,970.77-41,956.17-19,179.03

Finding the Fourth Proportional to 27,970.77, 41,956.17 and 19,179.03

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Solution

The fourth proportional to 27,970.77, 41,956.17 and 19,179.03 is: 28,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.77 : 41,956.17 = 19,179.03 : x
  2. Step 2: Convert to fraction form
    27,970.77/41,956.17 = 19,179.03/x
  3. Step 3: Cross multiply
    27,970.77x = 41,956.17 × 19,179.03
  4. Step 4: Simplify right side
    27,970.77x = 804,678,643.12
  5. Step 5: Solve for x
    x = 804,678,643.12/27,970.77
  6. Step 6: Final answer
    x = 28,768.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.