Home / 29,217.78-40,328.79-17,285.26

Finding the Fourth Proportional to 29,217.78, 40,328.79 and 17,285.26

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Solution

The fourth proportional to 29,217.78, 40,328.79 and 17,285.26 is: 23,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,217.78 : 40,328.79 = 17,285.26 : x
  2. Step 2: Convert to fraction form
    29,217.78/40,328.79 = 17,285.26/x
  3. Step 3: Cross multiply
    29,217.78x = 40,328.79 × 17,285.26
  4. Step 4: Simplify right side
    29,217.78x = 697,093,620.64
  5. Step 5: Solve for x
    x = 697,093,620.64/29,217.78
  6. Step 6: Final answer
    x = 23,858.54

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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.