Home / 28,009.26-42,002.01-8,282.52

Finding the Fourth Proportional to 28,009.26, 42,002.01 and 8,282.52

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Solution

The fourth proportional to 28,009.26, 42,002.01 and 8,282.52 is: 12,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009.26 : 42,002.01 = 8,282.52 : x
  2. Step 2: Convert to fraction form
    28,009.26/42,002.01 = 8,282.52/x
  3. Step 3: Cross multiply
    28,009.26x = 42,002.01 × 8,282.52
  4. Step 4: Simplify right side
    28,009.26x = 347,882,487.87
  5. Step 5: Solve for x
    x = 347,882,487.87/28,009.26
  6. Step 6: Final answer
    x = 12,420.27

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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.