Home / 27,940.58-38,557.43-15,194.01

Finding the Fourth Proportional to 27,940.58, 38,557.43 and 15,194.01

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Solution

The fourth proportional to 27,940.58, 38,557.43 and 15,194.01 is: 20,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.58 : 38,557.43 = 15,194.01 : x
  2. Step 2: Convert to fraction form
    27,940.58/38,557.43 = 15,194.01/x
  3. Step 3: Cross multiply
    27,940.58x = 38,557.43 × 15,194.01
  4. Step 4: Simplify right side
    27,940.58x = 585,841,901.02
  5. Step 5: Solve for x
    x = 585,841,901.02/27,940.58
  6. Step 6: Final answer
    x = 20,967.42

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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.