Home / 27,917.86-38,525.97-15,980.44

Finding the Fourth Proportional to 27,917.86, 38,525.97 and 15,980.44

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Solution

The fourth proportional to 27,917.86, 38,525.97 and 15,980.44 is: 22,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.86 : 38,525.97 = 15,980.44 : x
  2. Step 2: Convert to fraction form
    27,917.86/38,525.97 = 15,980.44/x
  3. Step 3: Cross multiply
    27,917.86x = 38,525.97 × 15,980.44
  4. Step 4: Simplify right side
    27,917.86x = 615,661,952.03
  5. Step 5: Solve for x
    x = 615,661,952.03/27,917.86
  6. Step 6: Final answer
    x = 22,052.62

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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.