Home / 28,794.02-43,172.54-12,149.50

Finding the Fourth Proportional to 28,794.02, 43,172.54 and 12,149.50

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Solution

The fourth proportional to 28,794.02, 43,172.54 and 12,149.50 is: 18,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.02 : 43,172.54 = 12,149.50 : x
  2. Step 2: Convert to fraction form
    28,794.02/43,172.54 = 12,149.50/x
  3. Step 3: Cross multiply
    28,794.02x = 43,172.54 × 12,149.50
  4. Step 4: Simplify right side
    28,794.02x = 524,524,774.73
  5. Step 5: Solve for x
    x = 524,524,774.73/28,794.02
  6. Step 6: Final answer
    x = 18,216.45

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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.