Home / 27,202.50-37,539.59-15,879.78

Finding the Fourth Proportional to 27,202.50, 37,539.59 and 15,879.78

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Solution

The fourth proportional to 27,202.50, 37,539.59 and 15,879.78 is: 21,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,202.50 : 37,539.59 = 15,879.78 : x
  2. Step 2: Convert to fraction form
    27,202.50/37,539.59 = 15,879.78/x
  3. Step 3: Cross multiply
    27,202.50x = 37,539.59 × 15,879.78
  4. Step 4: Simplify right side
    27,202.50x = 596,120,351.09
  5. Step 5: Solve for x
    x = 596,120,351.09/27,202.50
  6. Step 6: Final answer
    x = 21,914.18

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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.