Home / 26,659.08-39,997.26-12,809.16

Finding the Fourth Proportional to 26,659.08, 39,997.26 and 12,809.16

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Solution

The fourth proportional to 26,659.08, 39,997.26 and 12,809.16 is: 19,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.08 : 39,997.26 = 12,809.16 : x
  2. Step 2: Convert to fraction form
    26,659.08/39,997.26 = 12,809.16/x
  3. Step 3: Cross multiply
    26,659.08x = 39,997.26 × 12,809.16
  4. Step 4: Simplify right side
    26,659.08x = 512,331,302.90
  5. Step 5: Solve for x
    x = 512,331,302.90/26,659.08
  6. Step 6: Final answer
    x = 19,217.89

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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.