Home / 27,115.94-40,666.62-9,581.06

Finding the Fourth Proportional to 27,115.94, 40,666.62 and 9,581.06

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Solution

The fourth proportional to 27,115.94, 40,666.62 and 9,581.06 is: 14,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.94 : 40,666.62 = 9,581.06 : x
  2. Step 2: Convert to fraction form
    27,115.94/40,666.62 = 9,581.06/x
  3. Step 3: Cross multiply
    27,115.94x = 40,666.62 × 9,581.06
  4. Step 4: Simplify right side
    27,115.94x = 389,629,326.22
  5. Step 5: Solve for x
    x = 389,629,326.22/27,115.94
  6. Step 6: Final answer
    x = 14,369.01

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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.