Home / 53,105.14-79,706.94-26,828.38

Finding the Fourth Proportional to 53,105.14, 79,706.94 and 26,828.38

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Solution

The fourth proportional to 53,105.14, 79,706.94 and 26,828.38 is: 40,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,105.14 : 79,706.94 = 26,828.38 : x
  2. Step 2: Convert to fraction form
    53,105.14/79,706.94 = 26,828.38/x
  3. Step 3: Cross multiply
    53,105.14x = 79,706.94 × 26,828.38
  4. Step 4: Simplify right side
    53,105.14x = 2,138,408,074.96
  5. Step 5: Solve for x
    x = 2,138,408,074.96/53,105.14
  6. Step 6: Final answer
    x = 40,267.44

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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.