Home / 27,691.25-41,558.57-19,316.79

Finding the Fourth Proportional to 27,691.25, 41,558.57 and 19,316.79

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Solution

The fourth proportional to 27,691.25, 41,558.57 and 19,316.79 is: 28,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.25 : 41,558.57 = 19,316.79 : x
  2. Step 2: Convert to fraction form
    27,691.25/41,558.57 = 19,316.79/x
  3. Step 3: Cross multiply
    27,691.25x = 41,558.57 × 19,316.79
  4. Step 4: Simplify right side
    27,691.25x = 802,778,072.81
  5. Step 5: Solve for x
    x = 802,778,072.81/27,691.25
  6. Step 6: Final answer
    x = 28,990.32

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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.