Home / 26,910.34-40,365.06-12,108.78

Finding the Fourth Proportional to 26,910.34, 40,365.06 and 12,108.78

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Solution

The fourth proportional to 26,910.34, 40,365.06 and 12,108.78 is: 18,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.34 : 40,365.06 = 12,108.78 : x
  2. Step 2: Convert to fraction form
    26,910.34/40,365.06 = 12,108.78/x
  3. Step 3: Cross multiply
    26,910.34x = 40,365.06 × 12,108.78
  4. Step 4: Simplify right side
    26,910.34x = 488,771,631.23
  5. Step 5: Solve for x
    x = 488,771,631.23/26,910.34
  6. Step 6: Final answer
    x = 18,162.97

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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.