Home / 26,856.84-40,291.53-8,137.02

Finding the Fourth Proportional to 26,856.84, 40,291.53 and 8,137.02

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Solution

The fourth proportional to 26,856.84, 40,291.53 and 8,137.02 is: 12,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.84 : 40,291.53 = 8,137.02 : x
  2. Step 2: Convert to fraction form
    26,856.84/40,291.53 = 8,137.02/x
  3. Step 3: Cross multiply
    26,856.84x = 40,291.53 × 8,137.02
  4. Step 4: Simplify right side
    26,856.84x = 327,852,985.44
  5. Step 5: Solve for x
    x = 327,852,985.44/26,856.84
  6. Step 6: Final answer
    x = 12,207.43

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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.