Home / 19,950.60-29,906.70-15,505.80

Finding the Fourth Proportional to 19,950.60, 29,906.70 and 15,505.80

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Solution

The fourth proportional to 19,950.60, 29,906.70 and 15,505.80 is: 23,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.60 : 29,906.70 = 15,505.80 : x
  2. Step 2: Convert to fraction form
    19,950.60/29,906.70 = 15,505.80/x
  3. Step 3: Cross multiply
    19,950.60x = 29,906.70 × 15,505.80
  4. Step 4: Simplify right side
    19,950.60x = 463,727,308.86
  5. Step 5: Solve for x
    x = 463,727,308.86/19,950.60
  6. Step 6: Final answer
    x = 23,243.78

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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.