Home / 27,021.78-37,283.48-15,841.62

Finding the Fourth Proportional to 27,021.78, 37,283.48 and 15,841.62

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Solution

The fourth proportional to 27,021.78, 37,283.48 and 15,841.62 is: 21,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.78 : 37,283.48 = 15,841.62 : x
  2. Step 2: Convert to fraction form
    27,021.78/37,283.48 = 15,841.62/x
  3. Step 3: Cross multiply
    27,021.78x = 37,283.48 × 15,841.62
  4. Step 4: Simplify right side
    27,021.78x = 590,630,722.44
  5. Step 5: Solve for x
    x = 590,630,722.44/27,021.78
  6. Step 6: Final answer
    x = 21,857.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.