Home / 26,808.29-40,186.28-12,764.54

Finding the Fourth Proportional to 26,808.29, 40,186.28 and 12,764.54

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Solution

The fourth proportional to 26,808.29, 40,186.28 and 12,764.54 is: 19,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,808.29 : 40,186.28 = 12,764.54 : x
  2. Step 2: Convert to fraction form
    26,808.29/40,186.28 = 12,764.54/x
  3. Step 3: Cross multiply
    26,808.29x = 40,186.28 × 12,764.54
  4. Step 4: Simplify right side
    26,808.29x = 512,959,213.04
  5. Step 5: Solve for x
    x = 512,959,213.04/26,808.29
  6. Step 6: Final answer
    x = 19,134.35

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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.