Home / 27,286.06-40,911.40-10,647.78

Finding the Fourth Proportional to 27,286.06, 40,911.40 and 10,647.78

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Solution

The fourth proportional to 27,286.06, 40,911.40 and 10,647.78 is: 15,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.06 : 40,911.40 = 10,647.78 : x
  2. Step 2: Convert to fraction form
    27,286.06/40,911.40 = 10,647.78/x
  3. Step 3: Cross multiply
    27,286.06x = 40,911.40 × 10,647.78
  4. Step 4: Simplify right side
    27,286.06x = 435,615,586.69
  5. Step 5: Solve for x
    x = 435,615,586.69/27,286.06
  6. Step 6: Final answer
    x = 15,964.77

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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.