Home / 27,859.94-41,760.55-9,135.09

Finding the Fourth Proportional to 27,859.94, 41,760.55 and 9,135.09

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Solution

The fourth proportional to 27,859.94, 41,760.55 and 9,135.09 is: 13,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.94 : 41,760.55 = 9,135.09 : x
  2. Step 2: Convert to fraction form
    27,859.94/41,760.55 = 9,135.09/x
  3. Step 3: Cross multiply
    27,859.94x = 41,760.55 × 9,135.09
  4. Step 4: Simplify right side
    27,859.94x = 381,486,382.70
  5. Step 5: Solve for x
    x = 381,486,382.70/27,859.94
  6. Step 6: Final answer
    x = 13,693.01

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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.