Home / 28,110.24-38,791.04-16,177.42

Finding the Fourth Proportional to 28,110.24, 38,791.04 and 16,177.42

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Solution

The fourth proportional to 28,110.24, 38,791.04 and 16,177.42 is: 22,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.24 : 38,791.04 = 16,177.42 : x
  2. Step 2: Convert to fraction form
    28,110.24/38,791.04 = 16,177.42/x
  3. Step 3: Cross multiply
    28,110.24x = 38,791.04 × 16,177.42
  4. Step 4: Simplify right side
    28,110.24x = 627,538,946.32
  5. Step 5: Solve for x
    x = 627,538,946.32/28,110.24
  6. Step 6: Final answer
    x = 22,324.21

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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.