Home / 26,672.75-40,011.20-7,951.35

Finding the Fourth Proportional to 26,672.75, 40,011.20 and 7,951.35

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Solution

The fourth proportional to 26,672.75, 40,011.20 and 7,951.35 is: 11,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.75 : 40,011.20 = 7,951.35 : x
  2. Step 2: Convert to fraction form
    26,672.75/40,011.20 = 7,951.35/x
  3. Step 3: Cross multiply
    26,672.75x = 40,011.20 × 7,951.35
  4. Step 4: Simplify right side
    26,672.75x = 318,143,015.36
  5. Step 5: Solve for x
    x = 318,143,015.36/26,672.75
  6. Step 6: Final answer
    x = 11,927.64

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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.