Home / 27,999.09-42,003.81-8,007.73

Finding the Fourth Proportional to 27,999.09, 42,003.81 and 8,007.73

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Solution

The fourth proportional to 27,999.09, 42,003.81 and 8,007.73 is: 12,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.09 : 42,003.81 = 8,007.73 : x
  2. Step 2: Convert to fraction form
    27,999.09/42,003.81 = 8,007.73/x
  3. Step 3: Cross multiply
    27,999.09x = 42,003.81 × 8,007.73
  4. Step 4: Simplify right side
    27,999.09x = 336,355,169.45
  5. Step 5: Solve for x
    x = 336,355,169.45/27,999.09
  6. Step 6: Final answer
    x = 12,013.08

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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.