Home / 28,486.22-39,288.57-26,576.38

Finding the Fourth Proportional to 28,486.22, 39,288.57 and 26,576.38

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Solution

The fourth proportional to 28,486.22, 39,288.57 and 26,576.38 is: 36,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.22 : 39,288.57 = 26,576.38 : x
  2. Step 2: Convert to fraction form
    28,486.22/39,288.57 = 26,576.38/x
  3. Step 3: Cross multiply
    28,486.22x = 39,288.57 × 26,576.38
  4. Step 4: Simplify right side
    28,486.22x = 1,044,147,769.53
  5. Step 5: Solve for x
    x = 1,044,147,769.53/28,486.22
  6. Step 6: Final answer
    x = 36,654.49

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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.