Home / 28,795.02-43,174.04-12,150.50

Finding the Fourth Proportional to 28,795.02, 43,174.04 and 12,150.50

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Solution

The fourth proportional to 28,795.02, 43,174.04 and 12,150.50 is: 18,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.02 : 43,174.04 = 12,150.50 : x
  2. Step 2: Convert to fraction form
    28,795.02/43,174.04 = 12,150.50/x
  3. Step 3: Cross multiply
    28,795.02x = 43,174.04 × 12,150.50
  4. Step 4: Simplify right side
    28,795.02x = 524,586,173.02
  5. Step 5: Solve for x
    x = 524,586,173.02/28,795.02
  6. Step 6: Final answer
    x = 18,217.95

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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.