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Finding the Fourth Proportional to 27,620.59, 41,430.90 and 6,844.09

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Solution

The fourth proportional to 27,620.59, 41,430.90 and 6,844.09 is: 10,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.59 : 41,430.90 = 6,844.09 : x
  2. Step 2: Convert to fraction form
    27,620.59/41,430.90 = 6,844.09/x
  3. Step 3: Cross multiply
    27,620.59x = 41,430.90 × 6,844.09
  4. Step 4: Simplify right side
    27,620.59x = 283,556,808.38
  5. Step 5: Solve for x
    x = 283,556,808.38/27,620.59
  6. Step 6: Final answer
    x = 10,266.14

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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.