Home / 26,130.62-39,108.44-21,450.44

Finding the Fourth Proportional to 26,130.62, 39,108.44 and 21,450.44

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Solution

The fourth proportional to 26,130.62, 39,108.44 and 21,450.44 is: 32,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.62 : 39,108.44 = 21,450.44 : x
  2. Step 2: Convert to fraction form
    26,130.62/39,108.44 = 21,450.44/x
  3. Step 3: Cross multiply
    26,130.62x = 39,108.44 × 21,450.44
  4. Step 4: Simplify right side
    26,130.62x = 838,893,245.71
  5. Step 5: Solve for x
    x = 838,893,245.71/26,130.62
  6. Step 6: Final answer
    x = 32,103.84

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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.