Home / 18,728.02-28,084.23-7,627.18

Finding the Fourth Proportional to 18,728.02, 28,084.23 and 7,627.18

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Solution

The fourth proportional to 18,728.02, 28,084.23 and 7,627.18 is: 11,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.02 : 28,084.23 = 7,627.18 : x
  2. Step 2: Convert to fraction form
    18,728.02/28,084.23 = 7,627.18/x
  3. Step 3: Cross multiply
    18,728.02x = 28,084.23 × 7,627.18
  4. Step 4: Simplify right side
    18,728.02x = 214,203,477.37
  5. Step 5: Solve for x
    x = 214,203,477.37/18,728.02
  6. Step 6: Final answer
    x = 11,437.59

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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.