Home / 28,782.63-43,176.37-8,006.13

Finding the Fourth Proportional to 28,782.63, 43,176.37 and 8,006.13

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Solution

The fourth proportional to 28,782.63, 43,176.37 and 8,006.13 is: 12,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.63 : 43,176.37 = 8,006.13 : x
  2. Step 2: Convert to fraction form
    28,782.63/43,176.37 = 8,006.13/x
  3. Step 3: Cross multiply
    28,782.63x = 43,176.37 × 8,006.13
  4. Step 4: Simplify right side
    28,782.63x = 345,675,631.15
  5. Step 5: Solve for x
    x = 345,675,631.15/28,782.63
  6. Step 6: Final answer
    x = 12,009.87

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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.