Home / 26,768.61-36,936.90-15,436.44

Finding the Fourth Proportional to 26,768.61, 36,936.90 and 15,436.44

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Solution

The fourth proportional to 26,768.61, 36,936.90 and 15,436.44 is: 21,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768.61 : 36,936.90 = 15,436.44 : x
  2. Step 2: Convert to fraction form
    26,768.61/36,936.90 = 15,436.44/x
  3. Step 3: Cross multiply
    26,768.61x = 36,936.90 × 15,436.44
  4. Step 4: Simplify right side
    26,768.61x = 570,174,240.64
  5. Step 5: Solve for x
    x = 570,174,240.64/26,768.61
  6. Step 6: Final answer
    x = 21,300.11

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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.