Home / 27,682.39-38,202.94-15,587.03

Finding the Fourth Proportional to 27,682.39, 38,202.94 and 15,587.03

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Solution

The fourth proportional to 27,682.39, 38,202.94 and 15,587.03 is: 21,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682.39 : 38,202.94 = 15,587.03 : x
  2. Step 2: Convert to fraction form
    27,682.39/38,202.94 = 15,587.03/x
  3. Step 3: Cross multiply
    27,682.39x = 38,202.94 × 15,587.03
  4. Step 4: Simplify right side
    27,682.39x = 595,470,516.09
  5. Step 5: Solve for x
    x = 595,470,516.09/27,682.39
  6. Step 6: Final answer
    x = 21,510.80

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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.