Home / 26,913.75-40,377.15-8,445.75

Finding the Fourth Proportional to 26,913.75, 40,377.15 and 8,445.75

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Solution

The fourth proportional to 26,913.75, 40,377.15 and 8,445.75 is: 12,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.75 : 40,377.15 = 8,445.75 : x
  2. Step 2: Convert to fraction form
    26,913.75/40,377.15 = 8,445.75/x
  3. Step 3: Cross multiply
    26,913.75x = 40,377.15 × 8,445.75
  4. Step 4: Simplify right side
    26,913.75x = 341,015,314.61
  5. Step 5: Solve for x
    x = 341,015,314.61/26,913.75
  6. Step 6: Final answer
    x = 12,670.67

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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.