Home / 28,692.33-43,040.98-7,915.83

Finding the Fourth Proportional to 28,692.33, 43,040.98 and 7,915.83

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Solution

The fourth proportional to 28,692.33, 43,040.98 and 7,915.83 is: 11,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.33 : 43,040.98 = 7,915.83 : x
  2. Step 2: Convert to fraction form
    28,692.33/43,040.98 = 7,915.83/x
  3. Step 3: Cross multiply
    28,692.33x = 43,040.98 × 7,915.83
  4. Step 4: Simplify right side
    28,692.33x = 340,705,041.13
  5. Step 5: Solve for x
    x = 340,705,041.13/28,692.33
  6. Step 6: Final answer
    x = 11,874.43

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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.