Home / 20,917.09-28,843.44-14,946.58

Finding the Fourth Proportional to 20,917.09, 28,843.44 and 14,946.58

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Solution

The fourth proportional to 20,917.09, 28,843.44 and 14,946.58 is: 20,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,917.09 : 28,843.44 = 14,946.58 : x
  2. Step 2: Convert to fraction form
    20,917.09/28,843.44 = 14,946.58/x
  3. Step 3: Cross multiply
    20,917.09x = 28,843.44 × 14,946.58
  4. Step 4: Simplify right side
    20,917.09x = 431,110,783.44
  5. Step 5: Solve for x
    x = 431,110,783.44/20,917.09
  6. Step 6: Final answer
    x = 20,610.46

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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.