Home / 28,383.40-42,573.66-10,851.88

Finding the Fourth Proportional to 28,383.40, 42,573.66 and 10,851.88

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Solution

The fourth proportional to 28,383.40, 42,573.66 and 10,851.88 is: 16,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.40 : 42,573.66 = 10,851.88 : x
  2. Step 2: Convert to fraction form
    28,383.40/42,573.66 = 10,851.88/x
  3. Step 3: Cross multiply
    28,383.40x = 42,573.66 × 10,851.88
  4. Step 4: Simplify right side
    28,383.40x = 462,004,249.48
  5. Step 5: Solve for x
    x = 462,004,249.48/28,383.40
  6. Step 6: Final answer
    x = 16,277.27

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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.