Home / 28,728.36-43,099.02-9,006.84

Finding the Fourth Proportional to 28,728.36, 43,099.02 and 9,006.84

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Solution

The fourth proportional to 28,728.36, 43,099.02 and 9,006.84 is: 13,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.36 : 43,099.02 = 9,006.84 : x
  2. Step 2: Convert to fraction form
    28,728.36/43,099.02 = 9,006.84/x
  3. Step 3: Cross multiply
    28,728.36x = 43,099.02 × 9,006.84
  4. Step 4: Simplify right side
    28,728.36x = 388,185,977.30
  5. Step 5: Solve for x
    x = 388,185,977.30/28,728.36
  6. Step 6: Final answer
    x = 13,512.29

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1.5x scale

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.