Home / 26,450.15-39,639.18-13,311.55

Finding the Fourth Proportional to 26,450.15, 39,639.18 and 13,311.55

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Solution

The fourth proportional to 26,450.15, 39,639.18 and 13,311.55 is: 19,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.15 : 39,639.18 = 13,311.55 : x
  2. Step 2: Convert to fraction form
    26,450.15/39,639.18 = 13,311.55/x
  3. Step 3: Cross multiply
    26,450.15x = 39,639.18 × 13,311.55
  4. Step 4: Simplify right side
    26,450.15x = 527,658,926.53
  5. Step 5: Solve for x
    x = 527,658,926.53/26,450.15
  6. Step 6: Final answer
    x = 19,949.18

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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.