Home / 28,871.02-43,311.08-11,100.97

Finding the Fourth Proportional to 28,871.02, 43,311.08 and 11,100.97

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Solution

The fourth proportional to 28,871.02, 43,311.08 and 11,100.97 is: 16,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.02 : 43,311.08 = 11,100.97 : x
  2. Step 2: Convert to fraction form
    28,871.02/43,311.08 = 11,100.97/x
  3. Step 3: Cross multiply
    28,871.02x = 43,311.08 × 11,100.97
  4. Step 4: Simplify right side
    28,871.02x = 480,794,999.75
  5. Step 5: Solve for x
    x = 480,794,999.75/28,871.02
  6. Step 6: Final answer
    x = 16,653.20

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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.