Home / 28,065.82-42,076.66-14,018.60

Finding the Fourth Proportional to 28,065.82, 42,076.66 and 14,018.60

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Solution

The fourth proportional to 28,065.82, 42,076.66 and 14,018.60 is: 21,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065.82 : 42,076.66 = 14,018.60 : x
  2. Step 2: Convert to fraction form
    28,065.82/42,076.66 = 14,018.60/x
  3. Step 3: Cross multiply
    28,065.82x = 42,076.66 × 14,018.60
  4. Step 4: Simplify right side
    28,065.82x = 589,855,865.88
  5. Step 5: Solve for x
    x = 589,855,865.88/28,065.82
  6. Step 6: Final answer
    x = 21,016.88

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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.