Home / 27,266.90-37,638.60-15,940.07

Finding the Fourth Proportional to 27,266.90, 37,638.60 and 15,940.07

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Solution

The fourth proportional to 27,266.90, 37,638.60 and 15,940.07 is: 22,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,266.90 : 37,638.60 = 15,940.07 : x
  2. Step 2: Convert to fraction form
    27,266.90/37,638.60 = 15,940.07/x
  3. Step 3: Cross multiply
    27,266.90x = 37,638.60 × 15,940.07
  4. Step 4: Simplify right side
    27,266.90x = 599,961,811.88
  5. Step 5: Solve for x
    x = 599,961,811.88/27,266.90
  6. Step 6: Final answer
    x = 22,003.31

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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.