Home / 18,192.02-27,287.94-15,719.32

Finding the Fourth Proportional to 18,192.02, 27,287.94 and 15,719.32

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Solution

The fourth proportional to 18,192.02, 27,287.94 and 15,719.32 is: 23,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.02 : 27,287.94 = 15,719.32 : x
  2. Step 2: Convert to fraction form
    18,192.02/27,287.94 = 15,719.32/x
  3. Step 3: Cross multiply
    18,192.02x = 27,287.94 × 15,719.32
  4. Step 4: Simplify right side
    18,192.02x = 428,947,724.56
  5. Step 5: Solve for x
    x = 428,947,724.56/18,192.02
  6. Step 6: Final answer
    x = 23,578.89

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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.