Home / 26,717.08-40,083.64-7,997.72

Finding the Fourth Proportional to 26,717.08, 40,083.64 and 7,997.72

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Solution

The fourth proportional to 26,717.08, 40,083.64 and 7,997.72 is: 11,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,717.08 : 40,083.64 = 7,997.72 : x
  2. Step 2: Convert to fraction form
    26,717.08/40,083.64 = 7,997.72/x
  3. Step 3: Cross multiply
    26,717.08x = 40,083.64 × 7,997.72
  4. Step 4: Simplify right side
    26,717.08x = 320,577,689.31
  5. Step 5: Solve for x
    x = 320,577,689.31/26,717.08
  6. Step 6: Final answer
    x = 11,998.98

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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.