Home / 27,908.91-41,858.64-9,189.18

Finding the Fourth Proportional to 27,908.91, 41,858.64 and 9,189.18

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Solution

The fourth proportional to 27,908.91, 41,858.64 and 9,189.18 is: 13,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.91 : 41,858.64 = 9,189.18 : x
  2. Step 2: Convert to fraction form
    27,908.91/41,858.64 = 9,189.18/x
  3. Step 3: Cross multiply
    27,908.91x = 41,858.64 × 9,189.18
  4. Step 4: Simplify right side
    27,908.91x = 384,646,577.52
  5. Step 5: Solve for x
    x = 384,646,577.52/27,908.91
  6. Step 6: Final answer
    x = 13,782.21

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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.