Home / 28,186.08-42,285.36-9,466.80

Finding the Fourth Proportional to 28,186.08, 42,285.36 and 9,466.80

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Solution

The fourth proportional to 28,186.08, 42,285.36 and 9,466.80 is: 14,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.08 : 42,285.36 = 9,466.80 : x
  2. Step 2: Convert to fraction form
    28,186.08/42,285.36 = 9,466.80/x
  3. Step 3: Cross multiply
    28,186.08x = 42,285.36 × 9,466.80
  4. Step 4: Simplify right side
    28,186.08x = 400,307,046.05
  5. Step 5: Solve for x
    x = 400,307,046.05/28,186.08
  6. Step 6: Final answer
    x = 14,202.30

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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.