Home / 27,747.78-41,547.75-21,683.38

Finding the Fourth Proportional to 27,747.78, 41,547.75 and 21,683.38

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Solution

The fourth proportional to 27,747.78, 41,547.75 and 21,683.38 is: 32,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.78 : 41,547.75 = 21,683.38 : x
  2. Step 2: Convert to fraction form
    27,747.78/41,547.75 = 21,683.38/x
  3. Step 3: Cross multiply
    27,747.78x = 41,547.75 × 21,683.38
  4. Step 4: Simplify right side
    27,747.78x = 900,895,651.40
  5. Step 5: Solve for x
    x = 900,895,651.40/27,747.78
  6. Step 6: Final answer
    x = 32,467.31

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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.