Home / 27,644.82-38,152.80-15,711.09

Finding the Fourth Proportional to 27,644.82, 38,152.80 and 15,711.09

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Solution

The fourth proportional to 27,644.82, 38,152.80 and 15,711.09 is: 21,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,644.82 : 38,152.80 = 15,711.09 : x
  2. Step 2: Convert to fraction form
    27,644.82/38,152.80 = 15,711.09/x
  3. Step 3: Cross multiply
    27,644.82x = 38,152.80 × 15,711.09
  4. Step 4: Simplify right side
    27,644.82x = 599,422,074.55
  5. Step 5: Solve for x
    x = 599,422,074.55/27,644.82
  6. Step 6: Final answer
    x = 21,682.98

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Half scale
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Double scale
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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.