Home / 27,243.63-37,597.82-20,517.39

Finding the Fourth Proportional to 27,243.63, 37,597.82 and 20,517.39

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Solution

The fourth proportional to 27,243.63, 37,597.82 and 20,517.39 is: 28,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.63 : 37,597.82 = 20,517.39 : x
  2. Step 2: Convert to fraction form
    27,243.63/37,597.82 = 20,517.39/x
  3. Step 3: Cross multiply
    27,243.63x = 37,597.82 × 20,517.39
  4. Step 4: Simplify right side
    27,243.63x = 771,409,033.50
  5. Step 5: Solve for x
    x = 771,409,033.50/27,243.63
  6. Step 6: Final answer
    x = 28,315.21

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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.