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Finding the Fourth Proportional to 27,950.20, 41,928.03 and 10,415.93

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Solution

The fourth proportional to 27,950.20, 41,928.03 and 10,415.93 is: 15,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,950.20 : 41,928.03 = 10,415.93 : x
  2. Step 2: Convert to fraction form
    27,950.20/41,928.03 = 10,415.93/x
  3. Step 3: Cross multiply
    27,950.20x = 41,928.03 × 10,415.93
  4. Step 4: Simplify right side
    27,950.20x = 436,719,215.88
  5. Step 5: Solve for x
    x = 436,719,215.88/27,950.20
  6. Step 6: Final answer
    x = 15,624.91

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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.