Home / 26,450.16-39,639.18-13,311.54

Finding the Fourth Proportional to 26,450.16, 39,639.18 and 13,311.54

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Solution

The fourth proportional to 26,450.16, 39,639.18 and 13,311.54 is: 19,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.16 : 39,639.18 = 13,311.54 : x
  2. Step 2: Convert to fraction form
    26,450.16/39,639.18 = 13,311.54/x
  3. Step 3: Cross multiply
    26,450.16x = 39,639.18 × 13,311.54
  4. Step 4: Simplify right side
    26,450.16x = 527,658,530.14
  5. Step 5: Solve for x
    x = 527,658,530.14/26,450.16
  6. Step 6: Final answer
    x = 19,949.16

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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.