Home / 28,028.64-42,072.24-16,962.48

Finding the Fourth Proportional to 28,028.64, 42,072.24 and 16,962.48

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Solution

The fourth proportional to 28,028.64, 42,072.24 and 16,962.48 is: 25,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.64 : 42,072.24 = 16,962.48 : x
  2. Step 2: Convert to fraction form
    28,028.64/42,072.24 = 16,962.48/x
  3. Step 3: Cross multiply
    28,028.64x = 42,072.24 × 16,962.48
  4. Step 4: Simplify right side
    28,028.64x = 713,649,529.56
  5. Step 5: Solve for x
    x = 713,649,529.56/28,028.64
  6. Step 6: Final answer
    x = 25,461.44

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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.