Home / 27,778.70-41,659.40-9,306.38

Finding the Fourth Proportional to 27,778.70, 41,659.40 and 9,306.38

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Solution

The fourth proportional to 27,778.70, 41,659.40 and 9,306.38 is: 13,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.70 : 41,659.40 = 9,306.38 : x
  2. Step 2: Convert to fraction form
    27,778.70/41,659.40 = 9,306.38/x
  3. Step 3: Cross multiply
    27,778.70x = 41,659.40 × 9,306.38
  4. Step 4: Simplify right side
    27,778.70x = 387,697,952.14
  5. Step 5: Solve for x
    x = 387,697,952.14/27,778.70
  6. Step 6: Final answer
    x = 13,956.67

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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.