Home / 27,990.56-42,037.68-22,184.48

Finding the Fourth Proportional to 27,990.56, 42,037.68 and 22,184.48

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Solution

The fourth proportional to 27,990.56, 42,037.68 and 22,184.48 is: 33,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,990.56 : 42,037.68 = 22,184.48 : x
  2. Step 2: Convert to fraction form
    27,990.56/42,037.68 = 22,184.48/x
  3. Step 3: Cross multiply
    27,990.56x = 42,037.68 × 22,184.48
  4. Step 4: Simplify right side
    27,990.56x = 932,584,071.21
  5. Step 5: Solve for x
    x = 932,584,071.21/27,990.56
  6. Step 6: Final answer
    x = 33,317.81

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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.