Home / 27,768.37-38,280.48-19,796.76

Finding the Fourth Proportional to 27,768.37, 38,280.48 and 19,796.76

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Solution

The fourth proportional to 27,768.37, 38,280.48 and 19,796.76 is: 27,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.37 : 38,280.48 = 19,796.76 : x
  2. Step 2: Convert to fraction form
    27,768.37/38,280.48 = 19,796.76/x
  3. Step 3: Cross multiply
    27,768.37x = 38,280.48 × 19,796.76
  4. Step 4: Simplify right side
    27,768.37x = 757,829,475.24
  5. Step 5: Solve for x
    x = 757,829,475.24/27,768.37
  6. Step 6: Final answer
    x = 27,291.10

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Half scale
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Double scale
Find fourth proportional to 27,769.37, 38,281.86 and 19,797.76
Similar ratio
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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.