Home / 26,914.92-40,372.42-12,871.64

Finding the Fourth Proportional to 26,914.92, 40,372.42 and 12,871.64

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Solution

The fourth proportional to 26,914.92, 40,372.42 and 12,871.64 is: 19,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,914.92 : 40,372.42 = 12,871.64 : x
  2. Step 2: Convert to fraction form
    26,914.92/40,372.42 = 12,871.64/x
  3. Step 3: Cross multiply
    26,914.92x = 40,372.42 × 12,871.64
  4. Step 4: Simplify right side
    26,914.92x = 519,659,256.17
  5. Step 5: Solve for x
    x = 519,659,256.17/26,914.92
  6. Step 6: Final answer
    x = 19,307.48

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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.