Home / 27,122.73-37,430.78-15,185.36

Finding the Fourth Proportional to 27,122.73, 37,430.78 and 15,185.36

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Solution

The fourth proportional to 27,122.73, 37,430.78 and 15,185.36 is: 20,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.73 : 37,430.78 = 15,185.36 : x
  2. Step 2: Convert to fraction form
    27,122.73/37,430.78 = 15,185.36/x
  3. Step 3: Cross multiply
    27,122.73x = 37,430.78 × 15,185.36
  4. Step 4: Simplify right side
    27,122.73x = 568,399,606.30
  5. Step 5: Solve for x
    x = 568,399,606.30/27,122.73
  6. Step 6: Final answer
    x = 20,956.58

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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.