Home / 27,998.09-42,002.31-8,006.73

Finding the Fourth Proportional to 27,998.09, 42,002.31 and 8,006.73

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Solution

The fourth proportional to 27,998.09, 42,002.31 and 8,006.73 is: 12,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.09 : 42,002.31 = 8,006.73 : x
  2. Step 2: Convert to fraction form
    27,998.09/42,002.31 = 8,006.73/x
  3. Step 3: Cross multiply
    27,998.09x = 42,002.31 × 8,006.73
  4. Step 4: Simplify right side
    27,998.09x = 336,301,155.55
  5. Step 5: Solve for x
    x = 336,301,155.55/27,998.09
  6. Step 6: Final answer
    x = 12,011.58

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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.