Home / 27,964.53-41,946.75-19,172.79

Finding the Fourth Proportional to 27,964.53, 41,946.75 and 19,172.79

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Solution

The fourth proportional to 27,964.53, 41,946.75 and 19,172.79 is: 28,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.53 : 41,946.75 = 19,172.79 : x
  2. Step 2: Convert to fraction form
    27,964.53/41,946.75 = 19,172.79/x
  3. Step 3: Cross multiply
    27,964.53x = 41,946.75 × 19,172.79
  4. Step 4: Simplify right side
    27,964.53x = 804,236,228.93
  5. Step 5: Solve for x
    x = 804,236,228.93/27,964.53
  6. Step 6: Final answer
    x = 28,759.15

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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.