Home / 27,118.09-37,418.65-15,181.93

Finding the Fourth Proportional to 27,118.09, 37,418.65 and 15,181.93

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Solution

The fourth proportional to 27,118.09, 37,418.65 and 15,181.93 is: 20,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.09 : 37,418.65 = 15,181.93 : x
  2. Step 2: Convert to fraction form
    27,118.09/37,418.65 = 15,181.93/x
  3. Step 3: Cross multiply
    27,118.09x = 37,418.65 × 15,181.93
  4. Step 4: Simplify right side
    27,118.09x = 568,087,324.99
  5. Step 5: Solve for x
    x = 568,087,324.99/27,118.09
  6. Step 6: Final answer
    x = 20,948.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.