Home / 27,940.44-38,557.24-15,365.20

Finding the Fourth Proportional to 27,940.44, 38,557.24 and 15,365.20

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Solution

The fourth proportional to 27,940.44, 38,557.24 and 15,365.20 is: 21,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.44 : 38,557.24 = 15,365.20 : x
  2. Step 2: Convert to fraction form
    27,940.44/38,557.24 = 15,365.20/x
  3. Step 3: Cross multiply
    27,940.44x = 38,557.24 × 15,365.20
  4. Step 4: Simplify right side
    27,940.44x = 592,439,704.05
  5. Step 5: Solve for x
    x = 592,439,704.05/27,940.44
  6. Step 6: Final answer
    x = 21,203.66

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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.