Home / 28,003.30-41,999.88-12,199.48

Finding the Fourth Proportional to 28,003.30, 41,999.88 and 12,199.48

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Solution

The fourth proportional to 28,003.30, 41,999.88 and 12,199.48 is: 18,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.30 : 41,999.88 = 12,199.48 : x
  2. Step 2: Convert to fraction form
    28,003.30/41,999.88 = 12,199.48/x
  3. Step 3: Cross multiply
    28,003.30x = 41,999.88 × 12,199.48
  4. Step 4: Simplify right side
    28,003.30x = 512,376,696.06
  5. Step 5: Solve for x
    x = 512,376,696.06/28,003.30
  6. Step 6: Final answer
    x = 18,297.01

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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.