Home / 28,928.02-43,395.23-9,201.97

Finding the Fourth Proportional to 28,928.02, 43,395.23 and 9,201.97

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Solution

The fourth proportional to 28,928.02, 43,395.23 and 9,201.97 is: 13,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.02 : 43,395.23 = 9,201.97 : x
  2. Step 2: Convert to fraction form
    28,928.02/43,395.23 = 9,201.97/x
  3. Step 3: Cross multiply
    28,928.02x = 43,395.23 × 9,201.97
  4. Step 4: Simplify right side
    28,928.02x = 399,321,604.60
  5. Step 5: Solve for x
    x = 399,321,604.60/28,928.02
  6. Step 6: Final answer
    x = 13,803.97

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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.