Home / 20,003.40-29,972.70-16,698.60

Finding the Fourth Proportional to 20,003.40, 29,972.70 and 16,698.60

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Solution

The fourth proportional to 20,003.40, 29,972.70 and 16,698.60 is: 25,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.40 : 29,972.70 = 16,698.60 : x
  2. Step 2: Convert to fraction form
    20,003.40/29,972.70 = 16,698.60/x
  3. Step 3: Cross multiply
    20,003.40x = 29,972.70 × 16,698.60
  4. Step 4: Simplify right side
    20,003.40x = 500,502,128.22
  5. Step 5: Solve for x
    x = 500,502,128.22/20,003.40
  6. Step 6: Final answer
    x = 25,020.85

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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.