Home / 27,995.37-38,616.24-16,657.20

Finding the Fourth Proportional to 27,995.37, 38,616.24 and 16,657.20

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Solution

The fourth proportional to 27,995.37, 38,616.24 and 16,657.20 is: 22,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.37 : 38,616.24 = 16,657.20 : x
  2. Step 2: Convert to fraction form
    27,995.37/38,616.24 = 16,657.20/x
  3. Step 3: Cross multiply
    27,995.37x = 38,616.24 × 16,657.20
  4. Step 4: Simplify right side
    27,995.37x = 643,238,432.93
  5. Step 5: Solve for x
    x = 643,238,432.93/27,995.37
  6. Step 6: Final answer
    x = 22,976.60

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Half scale
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Double scale
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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.