Home / 27,481.61-37,918.31-15,542.36

Finding the Fourth Proportional to 27,481.61, 37,918.31 and 15,542.36

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Solution

The fourth proportional to 27,481.61, 37,918.31 and 15,542.36 is: 21,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481.61 : 37,918.31 = 15,542.36 : x
  2. Step 2: Convert to fraction form
    27,481.61/37,918.31 = 15,542.36/x
  3. Step 3: Cross multiply
    27,481.61x = 37,918.31 × 15,542.36
  4. Step 4: Simplify right side
    27,481.61x = 589,339,946.90
  5. Step 5: Solve for x
    x = 589,339,946.90/27,481.61
  6. Step 6: Final answer
    x = 21,444.88

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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.