Home / 27,349.25-37,731.83-20,976.98

Finding the Fourth Proportional to 27,349.25, 37,731.83 and 20,976.98

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Solution

The fourth proportional to 27,349.25, 37,731.83 and 20,976.98 is: 28,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,349.25 : 37,731.83 = 20,976.98 : x
  2. Step 2: Convert to fraction form
    27,349.25/37,731.83 = 20,976.98/x
  3. Step 3: Cross multiply
    27,349.25x = 37,731.83 × 20,976.98
  4. Step 4: Simplify right side
    27,349.25x = 791,499,549.73
  5. Step 5: Solve for x
    x = 791,499,549.73/27,349.25
  6. Step 6: Final answer
    x = 28,940.45

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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.