Home / 27,486.82-41,207.14-19,142.20

Finding the Fourth Proportional to 27,486.82, 41,207.14 and 19,142.20

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Solution

The fourth proportional to 27,486.82, 41,207.14 and 19,142.20 is: 28,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.82 : 41,207.14 = 19,142.20 : x
  2. Step 2: Convert to fraction form
    27,486.82/41,207.14 = 19,142.20/x
  3. Step 3: Cross multiply
    27,486.82x = 41,207.14 × 19,142.20
  4. Step 4: Simplify right side
    27,486.82x = 788,795,315.31
  5. Step 5: Solve for x
    x = 788,795,315.31/27,486.82
  6. Step 6: Final answer
    x = 28,697.22

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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.