Home / 26,778.42-40,181.40-12,754.35

Finding the Fourth Proportional to 26,778.42, 40,181.40 and 12,754.35

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Solution

The fourth proportional to 26,778.42, 40,181.40 and 12,754.35 is: 19,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.42 : 40,181.40 = 12,754.35 : x
  2. Step 2: Convert to fraction form
    26,778.42/40,181.40 = 12,754.35/x
  3. Step 3: Cross multiply
    26,778.42x = 40,181.40 × 12,754.35
  4. Step 4: Simplify right side
    26,778.42x = 512,487,639.09
  5. Step 5: Solve for x
    x = 512,487,639.09/26,778.42
  6. Step 6: Final answer
    x = 19,138.08

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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.