Home / 28,796.58-43,200.72-12,156.66

Finding the Fourth Proportional to 28,796.58, 43,200.72 and 12,156.66

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Solution

The fourth proportional to 28,796.58, 43,200.72 and 12,156.66 is: 18,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.58 : 43,200.72 = 12,156.66 : x
  2. Step 2: Convert to fraction form
    28,796.58/43,200.72 = 12,156.66/x
  3. Step 3: Cross multiply
    28,796.58x = 43,200.72 × 12,156.66
  4. Step 4: Simplify right side
    28,796.58x = 525,176,464.80
  5. Step 5: Solve for x
    x = 525,176,464.80/28,796.58
  6. Step 6: Final answer
    x = 18,237.46

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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.