Home / 28,816.56-39,766.14-16,072.02

Finding the Fourth Proportional to 28,816.56, 39,766.14 and 16,072.02

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Solution

The fourth proportional to 28,816.56, 39,766.14 and 16,072.02 is: 22,178.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.56 : 39,766.14 = 16,072.02 : x
  2. Step 2: Convert to fraction form
    28,816.56/39,766.14 = 16,072.02/x
  3. Step 3: Cross multiply
    28,816.56x = 39,766.14 × 16,072.02
  4. Step 4: Simplify right side
    28,816.56x = 639,122,197.40
  5. Step 5: Solve for x
    x = 639,122,197.40/28,816.56
  6. Step 6: Final answer
    x = 22,178.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.