Home / 27,091.68-37,409.46-20,365.62

Finding the Fourth Proportional to 27,091.68, 37,409.46 and 20,365.62

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Solution

The fourth proportional to 27,091.68, 37,409.46 and 20,365.62 is: 28,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.68 : 37,409.46 = 20,365.62 : x
  2. Step 2: Convert to fraction form
    27,091.68/37,409.46 = 20,365.62/x
  3. Step 3: Cross multiply
    27,091.68x = 37,409.46 × 20,365.62
  4. Step 4: Simplify right side
    27,091.68x = 761,866,846.77
  5. Step 5: Solve for x
    x = 761,866,846.77/27,091.68
  6. Step 6: Final answer
    x = 28,121.80

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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.