Home / 26,886.76-37,043.18-20,161.84

Finding the Fourth Proportional to 26,886.76, 37,043.18 and 20,161.84

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Solution

The fourth proportional to 26,886.76, 37,043.18 and 20,161.84 is: 27,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,886.76 : 37,043.18 = 20,161.84 : x
  2. Step 2: Convert to fraction form
    26,886.76/37,043.18 = 20,161.84/x
  3. Step 3: Cross multiply
    26,886.76x = 37,043.18 × 20,161.84
  4. Step 4: Simplify right side
    26,886.76x = 746,858,668.25
  5. Step 5: Solve for x
    x = 746,858,668.25/26,886.76
  6. Step 6: Final answer
    x = 27,777.93

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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.