Home / 28,798.88-43,165.38-12,133.94

Finding the Fourth Proportional to 28,798.88, 43,165.38 and 12,133.94

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Solution

The fourth proportional to 28,798.88, 43,165.38 and 12,133.94 is: 18,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.88 : 43,165.38 = 12,133.94 : x
  2. Step 2: Convert to fraction form
    28,798.88/43,165.38 = 12,133.94/x
  3. Step 3: Cross multiply
    28,798.88x = 43,165.38 × 12,133.94
  4. Step 4: Simplify right side
    28,798.88x = 523,766,131.00
  5. Step 5: Solve for x
    x = 523,766,131.00/28,798.88
  6. Step 6: Final answer
    x = 18,187.03

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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.