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Finding the Fourth Proportional to 27,907.29, 41,859.86 and 9,439.29

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Solution

The fourth proportional to 27,907.29, 41,859.86 and 9,439.29 is: 14,158.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.29 : 41,859.86 = 9,439.29 : x
  2. Step 2: Convert to fraction form
    27,907.29/41,859.86 = 9,439.29/x
  3. Step 3: Cross multiply
    27,907.29x = 41,859.86 × 9,439.29
  4. Step 4: Simplify right side
    27,907.29x = 395,127,310.70
  5. Step 5: Solve for x
    x = 395,127,310.70/27,907.29
  6. Step 6: Final answer
    x = 14,158.57

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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.