Home / 28,954.24-39,953.48-16,208.12

Finding the Fourth Proportional to 28,954.24, 39,953.48 and 16,208.12

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Solution

The fourth proportional to 28,954.24, 39,953.48 and 16,208.12 is: 22,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.24 : 39,953.48 = 16,208.12 : x
  2. Step 2: Convert to fraction form
    28,954.24/39,953.48 = 16,208.12/x
  3. Step 3: Cross multiply
    28,954.24x = 39,953.48 × 16,208.12
  4. Step 4: Simplify right side
    28,954.24x = 647,570,817.10
  5. Step 5: Solve for x
    x = 647,570,817.10/28,954.24
  6. Step 6: Final answer
    x = 22,365.32

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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.