Home / 27,203.45-37,538.79-15,268.55

Finding the Fourth Proportional to 27,203.45, 37,538.79 and 15,268.55

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Solution

The fourth proportional to 27,203.45, 37,538.79 and 15,268.55 is: 21,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,203.45 : 37,538.79 = 15,268.55 : x
  2. Step 2: Convert to fraction form
    27,203.45/37,538.79 = 15,268.55/x
  3. Step 3: Cross multiply
    27,203.45x = 37,538.79 × 15,268.55
  4. Step 4: Simplify right side
    27,203.45x = 573,162,944.14
  5. Step 5: Solve for x
    x = 573,162,944.14/27,203.45
  6. Step 6: Final answer
    x = 21,069.50

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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.