Home / 27,756.53-41,660.31-19,970.81

Finding the Fourth Proportional to 27,756.53, 41,660.31 and 19,970.81

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Solution

The fourth proportional to 27,756.53, 41,660.31 and 19,970.81 is: 29,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,756.53 : 41,660.31 = 19,970.81 : x
  2. Step 2: Convert to fraction form
    27,756.53/41,660.31 = 19,970.81/x
  3. Step 3: Cross multiply
    27,756.53x = 41,660.31 × 19,970.81
  4. Step 4: Simplify right side
    27,756.53x = 831,990,135.55
  5. Step 5: Solve for x
    x = 831,990,135.55/27,756.53
  6. Step 6: Final answer
    x = 29,974.57

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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.