Home / 19,436.20-29,128.70-17,234.60

Finding the Fourth Proportional to 19,436.20, 29,128.70 and 17,234.60

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Solution

The fourth proportional to 19,436.20, 29,128.70 and 17,234.60 is: 25,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.20 : 29,128.70 = 17,234.60 : x
  2. Step 2: Convert to fraction form
    19,436.20/29,128.70 = 17,234.60/x
  3. Step 3: Cross multiply
    19,436.20x = 29,128.70 × 17,234.60
  4. Step 4: Simplify right side
    19,436.20x = 502,021,493.02
  5. Step 5: Solve for x
    x = 502,021,493.02/19,436.20
  6. Step 6: Final answer
    x = 25,829.20

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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.