Home / 28,969.48-39,976.50-17,791.24

Finding the Fourth Proportional to 28,969.48, 39,976.50 and 17,791.24

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Solution

The fourth proportional to 28,969.48, 39,976.50 and 17,791.24 is: 24,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.48 : 39,976.50 = 17,791.24 : x
  2. Step 2: Convert to fraction form
    28,969.48/39,976.50 = 17,791.24/x
  3. Step 3: Cross multiply
    28,969.48x = 39,976.50 × 17,791.24
  4. Step 4: Simplify right side
    28,969.48x = 711,231,505.86
  5. Step 5: Solve for x
    x = 711,231,505.86/28,969.48
  6. Step 6: Final answer
    x = 24,551.06

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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.