Home / 26,230.14-39,345.16-8,219.75

Finding the Fourth Proportional to 26,230.14, 39,345.16 and 8,219.75

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Solution

The fourth proportional to 26,230.14, 39,345.16 and 8,219.75 is: 12,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,230.14 : 39,345.16 = 8,219.75 : x
  2. Step 2: Convert to fraction form
    26,230.14/39,345.16 = 8,219.75/x
  3. Step 3: Cross multiply
    26,230.14x = 39,345.16 × 8,219.75
  4. Step 4: Simplify right side
    26,230.14x = 323,407,141.09
  5. Step 5: Solve for x
    x = 323,407,141.09/26,230.14
  6. Step 6: Final answer
    x = 12,329.60

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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.