Home / 27,399.09-41,115.06-9,870.30

Finding the Fourth Proportional to 27,399.09, 41,115.06 and 9,870.30

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Solution

The fourth proportional to 27,399.09, 41,115.06 and 9,870.30 is: 14,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.09 : 41,115.06 = 9,870.30 : x
  2. Step 2: Convert to fraction form
    27,399.09/41,115.06 = 9,870.30/x
  3. Step 3: Cross multiply
    27,399.09x = 41,115.06 × 9,870.30
  4. Step 4: Simplify right side
    27,399.09x = 405,817,976.72
  5. Step 5: Solve for x
    x = 405,817,976.72/27,399.09
  6. Step 6: Final answer
    x = 14,811.37

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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.