Home / 26,089.08-39,115.38-8,313.78

Finding the Fourth Proportional to 26,089.08, 39,115.38 and 8,313.78

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Solution

The fourth proportional to 26,089.08, 39,115.38 and 8,313.78 is: 12,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,089.08 : 39,115.38 = 8,313.78 : x
  2. Step 2: Convert to fraction form
    26,089.08/39,115.38 = 8,313.78/x
  3. Step 3: Cross multiply
    26,089.08x = 39,115.38 × 8,313.78
  4. Step 4: Simplify right side
    26,089.08x = 325,196,663.94
  5. Step 5: Solve for x
    x = 325,196,663.94/26,089.08
  6. Step 6: Final answer
    x = 12,464.86

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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.