Home / 28,447.90-39,251.82-16,504.32

Finding the Fourth Proportional to 28,447.90, 39,251.82 and 16,504.32

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Solution

The fourth proportional to 28,447.90, 39,251.82 and 16,504.32 is: 22,772.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.90 : 39,251.82 = 16,504.32 : x
  2. Step 2: Convert to fraction form
    28,447.90/39,251.82 = 16,504.32/x
  3. Step 3: Cross multiply
    28,447.90x = 39,251.82 × 16,504.32
  4. Step 4: Simplify right side
    28,447.90x = 647,824,597.86
  5. Step 5: Solve for x
    x = 647,824,597.86/28,447.90
  6. Step 6: Final answer
    x = 22,772.32

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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.