Home / 26,878.10-40,311.14-17,583.35

Finding the Fourth Proportional to 26,878.10, 40,311.14 and 17,583.35

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Solution

The fourth proportional to 26,878.10, 40,311.14 and 17,583.35 is: 26,371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.10 : 40,311.14 = 17,583.35 : x
  2. Step 2: Convert to fraction form
    26,878.10/40,311.14 = 17,583.35/x
  3. Step 3: Cross multiply
    26,878.10x = 40,311.14 × 17,583.35
  4. Step 4: Simplify right side
    26,878.10x = 708,804,594.05
  5. Step 5: Solve for x
    x = 708,804,594.05/26,878.10
  6. Step 6: Final answer
    x = 26,371.09

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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.