Home / 28,004.33-42,006.63-8,283.05

Finding the Fourth Proportional to 28,004.33, 42,006.63 and 8,283.05

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Solution

The fourth proportional to 28,004.33, 42,006.63 and 8,283.05 is: 12,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.33 : 42,006.63 = 8,283.05 : x
  2. Step 2: Convert to fraction form
    28,004.33/42,006.63 = 8,283.05/x
  3. Step 3: Cross multiply
    28,004.33x = 42,006.63 × 8,283.05
  4. Step 4: Simplify right side
    28,004.33x = 347,943,121.64
  5. Step 5: Solve for x
    x = 347,943,121.64/28,004.33
  6. Step 6: Final answer
    x = 12,424.62

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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.