Home / 26,887.76-37,044.56-20,162.84

Finding the Fourth Proportional to 26,887.76, 37,044.56 and 20,162.84

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Solution

The fourth proportional to 26,887.76, 37,044.56 and 20,162.84 is: 27,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.76 : 37,044.56 = 20,162.84 : x
  2. Step 2: Convert to fraction form
    26,887.76/37,044.56 = 20,162.84/x
  3. Step 3: Cross multiply
    26,887.76x = 37,044.56 × 20,162.84
  4. Step 4: Simplify right side
    26,887.76x = 746,923,536.15
  5. Step 5: Solve for x
    x = 746,923,536.15/26,887.76
  6. Step 6: Final answer
    x = 27,779.31

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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.