Home / 27,777.60-38,293.56-17,161.20

Finding the Fourth Proportional to 27,777.60, 38,293.56 and 17,161.20

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Solution

The fourth proportional to 27,777.60, 38,293.56 and 17,161.20 is: 23,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.60 : 38,293.56 = 17,161.20 : x
  2. Step 2: Convert to fraction form
    27,777.60/38,293.56 = 17,161.20/x
  3. Step 3: Cross multiply
    27,777.60x = 38,293.56 × 17,161.20
  4. Step 4: Simplify right side
    27,777.60x = 657,163,441.87
  5. Step 5: Solve for x
    x = 657,163,441.87/27,777.60
  6. Step 6: Final answer
    x = 23,658.04

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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.