Home / 26,830.45-40,251.44-8,109.01

Finding the Fourth Proportional to 26,830.45, 40,251.44 and 8,109.01

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Solution

The fourth proportional to 26,830.45, 40,251.44 and 8,109.01 is: 12,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.45 : 40,251.44 = 8,109.01 : x
  2. Step 2: Convert to fraction form
    26,830.45/40,251.44 = 8,109.01/x
  3. Step 3: Cross multiply
    26,830.45x = 40,251.44 × 8,109.01
  4. Step 4: Simplify right side
    26,830.45x = 326,399,329.47
  5. Step 5: Solve for x
    x = 326,399,329.47/26,830.45
  6. Step 6: Final answer
    x = 12,165.26

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1.5x scale

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.