Home / 27,194.60-37,566.78-20,986.76

Finding the Fourth Proportional to 27,194.60, 37,566.78 and 20,986.76

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Solution

The fourth proportional to 27,194.60, 37,566.78 and 20,986.76 is: 28,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,194.60 : 37,566.78 = 20,986.76 : x
  2. Step 2: Convert to fraction form
    27,194.60/37,566.78 = 20,986.76/x
  3. Step 3: Cross multiply
    27,194.60x = 37,566.78 × 20,986.76
  4. Step 4: Simplify right side
    27,194.60x = 788,404,995.83
  5. Step 5: Solve for x
    x = 788,404,995.83/27,194.60
  6. Step 6: Final answer
    x = 28,991.23

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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.