Home / 28,853.37-43,280.19-9,132.03

Finding the Fourth Proportional to 28,853.37, 43,280.19 and 9,132.03

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Solution

The fourth proportional to 28,853.37, 43,280.19 and 9,132.03 is: 13,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.37 : 43,280.19 = 9,132.03 : x
  2. Step 2: Convert to fraction form
    28,853.37/43,280.19 = 9,132.03/x
  3. Step 3: Cross multiply
    28,853.37x = 43,280.19 × 9,132.03
  4. Step 4: Simplify right side
    28,853.37x = 395,235,993.49
  5. Step 5: Solve for x
    x = 395,235,993.49/28,853.37
  6. Step 6: Final answer
    x = 13,698.09

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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.