Home / 19,136.04-28,704.60-5,285.04

Finding the Fourth Proportional to 19,136.04, 28,704.60 and 5,285.04

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Solution

The fourth proportional to 19,136.04, 28,704.60 and 5,285.04 is: 7,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.04 : 28,704.60 = 5,285.04 : x
  2. Step 2: Convert to fraction form
    19,136.04/28,704.60 = 5,285.04/x
  3. Step 3: Cross multiply
    19,136.04x = 28,704.60 × 5,285.04
  4. Step 4: Simplify right side
    19,136.04x = 151,704,959.18
  5. Step 5: Solve for x
    x = 151,704,959.18/19,136.04
  6. Step 6: Final answer
    x = 7,927.71

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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.