Home / 26,768.30-40,123.49-17,415

Finding the Fourth Proportional to 26,768.30, 40,123.49 and 17,415

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Solution

The fourth proportional to 26,768.30, 40,123.49 and 17,415 is: 26,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768.30 : 40,123.49 = 17,415 : x
  2. Step 2: Convert to fraction form
    26,768.30/40,123.49 = 17,415/x
  3. Step 3: Cross multiply
    26,768.30x = 40,123.49 × 17,415
  4. Step 4: Simplify right side
    26,768.30x = 698,750,491.28
  5. Step 5: Solve for x
    x = 698,750,491.28/26,768.30
  6. Step 6: Final answer
    x = 26,103.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.