Home / 26,680.35-40,026.25-7,961.86

Finding the Fourth Proportional to 26,680.35, 40,026.25 and 7,961.86

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Solution

The fourth proportional to 26,680.35, 40,026.25 and 7,961.86 is: 11,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.35 : 40,026.25 = 7,961.86 : x
  2. Step 2: Convert to fraction form
    26,680.35/40,026.25 = 7,961.86/x
  3. Step 3: Cross multiply
    26,680.35x = 40,026.25 × 7,961.86
  4. Step 4: Simplify right side
    26,680.35x = 318,683,398.83
  5. Step 5: Solve for x
    x = 318,683,398.83/26,680.35
  6. Step 6: Final answer
    x = 11,944.50

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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.