Home / 28,868.68-43,303.02-8,092.36

Finding the Fourth Proportional to 28,868.68, 43,303.02 and 8,092.36

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Solution

The fourth proportional to 28,868.68, 43,303.02 and 8,092.36 is: 12,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.68 : 43,303.02 = 8,092.36 : x
  2. Step 2: Convert to fraction form
    28,868.68/43,303.02 = 8,092.36/x
  3. Step 3: Cross multiply
    28,868.68x = 43,303.02 × 8,092.36
  4. Step 4: Simplify right side
    28,868.68x = 350,423,626.93
  5. Step 5: Solve for x
    x = 350,423,626.93/28,868.68
  6. Step 6: Final answer
    x = 12,138.54

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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.