Home / 27,604.12-41,279.01-20,501.78

Finding the Fourth Proportional to 27,604.12, 41,279.01 and 20,501.78

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Solution

The fourth proportional to 27,604.12, 41,279.01 and 20,501.78 is: 30,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,604.12 : 41,279.01 = 20,501.78 : x
  2. Step 2: Convert to fraction form
    27,604.12/41,279.01 = 20,501.78/x
  3. Step 3: Cross multiply
    27,604.12x = 41,279.01 × 20,501.78
  4. Step 4: Simplify right side
    27,604.12x = 846,293,181.64
  5. Step 5: Solve for x
    x = 846,293,181.64/27,604.12
  6. Step 6: Final answer
    x = 30,658.22

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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.