Home / 26,758.34-40,137.92-12,719.81

Finding the Fourth Proportional to 26,758.34, 40,137.92 and 12,719.81

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Solution

The fourth proportional to 26,758.34, 40,137.92 and 12,719.81 is: 19,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.34 : 40,137.92 = 12,719.81 : x
  2. Step 2: Convert to fraction form
    26,758.34/40,137.92 = 12,719.81/x
  3. Step 3: Cross multiply
    26,758.34x = 40,137.92 × 12,719.81
  4. Step 4: Simplify right side
    26,758.34x = 510,546,800.64
  5. Step 5: Solve for x
    x = 510,546,800.64/26,758.34
  6. Step 6: Final answer
    x = 19,079.91

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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.