Home / 28,022.56-42,040.50-8,032.30

Finding the Fourth Proportional to 28,022.56, 42,040.50 and 8,032.30

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Solution

The fourth proportional to 28,022.56, 42,040.50 and 8,032.30 is: 12,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022.56 : 42,040.50 = 8,032.30 : x
  2. Step 2: Convert to fraction form
    28,022.56/42,040.50 = 8,032.30/x
  3. Step 3: Cross multiply
    28,022.56x = 42,040.50 × 8,032.30
  4. Step 4: Simplify right side
    28,022.56x = 337,681,908.15
  5. Step 5: Solve for x
    x = 337,681,908.15/28,022.56
  6. Step 6: Final answer
    x = 12,050.36

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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.