Home / 26,581.32-39,868.61-16,690.41

Finding the Fourth Proportional to 26,581.32, 39,868.61 and 16,690.41

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Solution

The fourth proportional to 26,581.32, 39,868.61 and 16,690.41 is: 25,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.32 : 39,868.61 = 16,690.41 : x
  2. Step 2: Convert to fraction form
    26,581.32/39,868.61 = 16,690.41/x
  3. Step 3: Cross multiply
    26,581.32x = 39,868.61 × 16,690.41
  4. Step 4: Simplify right side
    26,581.32x = 665,423,363.58
  5. Step 5: Solve for x
    x = 665,423,363.58/26,581.32
  6. Step 6: Final answer
    x = 25,033.50

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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.