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Finding the Fourth Proportional to 26,576.80, 37,138.40 and 26,576.80

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Solution

The fourth proportional to 26,576.80, 37,138.40 and 26,576.80 is: 37,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,576.80 : 37,138.40 = 26,576.80 : x
  2. Step 2: Convert to fraction form
    26,576.80/37,138.40 = 26,576.80/x
  3. Step 3: Cross multiply
    26,576.80x = 37,138.40 × 26,576.80
  4. Step 4: Simplify right side
    26,576.80x = 987,019,829.12
  5. Step 5: Solve for x
    x = 987,019,829.12/26,576.80
  6. Step 6: Final answer
    x = 37,138.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.