Home / 26,929.08-40,399.62-8,210.58

Finding the Fourth Proportional to 26,929.08, 40,399.62 and 8,210.58

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Solution

The fourth proportional to 26,929.08, 40,399.62 and 8,210.58 is: 12,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.08 : 40,399.62 = 8,210.58 : x
  2. Step 2: Convert to fraction form
    26,929.08/40,399.62 = 8,210.58/x
  3. Step 3: Cross multiply
    26,929.08x = 40,399.62 × 8,210.58
  4. Step 4: Simplify right side
    26,929.08x = 331,704,311.98
  5. Step 5: Solve for x
    x = 331,704,311.98/26,929.08
  6. Step 6: Final answer
    x = 12,317.70

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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.