Home / 27,235.81-40,834.67-13,912.93

Finding the Fourth Proportional to 27,235.81, 40,834.67 and 13,912.93

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Solution

The fourth proportional to 27,235.81, 40,834.67 and 13,912.93 is: 20,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,235.81 : 40,834.67 = 13,912.93 : x
  2. Step 2: Convert to fraction form
    27,235.81/40,834.67 = 13,912.93/x
  3. Step 3: Cross multiply
    27,235.81x = 40,834.67 × 13,912.93
  4. Step 4: Simplify right side
    27,235.81x = 568,129,837.98
  5. Step 5: Solve for x
    x = 568,129,837.98/27,235.81
  6. Step 6: Final answer
    x = 20,859.67

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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.