Home / 26,788.05-36,924.82-21,114

Finding the Fourth Proportional to 26,788.05, 36,924.82 and 21,114

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Solution

The fourth proportional to 26,788.05, 36,924.82 and 21,114 is: 29,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.05 : 36,924.82 = 21,114 : x
  2. Step 2: Convert to fraction form
    26,788.05/36,924.82 = 21,114/x
  3. Step 3: Cross multiply
    26,788.05x = 36,924.82 × 21,114
  4. Step 4: Simplify right side
    26,788.05x = 779,630,596.70
  5. Step 5: Solve for x
    x = 779,630,596.70/26,788.05
  6. Step 6: Final answer
    x = 29,103.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.