Home / 28,914.02-43,367.52-7,852.72

Finding the Fourth Proportional to 28,914.02, 43,367.52 and 7,852.72

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Solution

The fourth proportional to 28,914.02, 43,367.52 and 7,852.72 is: 11,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.02 : 43,367.52 = 7,852.72 : x
  2. Step 2: Convert to fraction form
    28,914.02/43,367.52 = 7,852.72/x
  3. Step 3: Cross multiply
    28,914.02x = 43,367.52 × 7,852.72
  4. Step 4: Simplify right side
    28,914.02x = 340,552,991.65
  5. Step 5: Solve for x
    x = 340,552,991.65/28,914.02
  6. Step 6: Final answer
    x = 11,778.13

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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.