Home / 28,960.61-43,447.28-16,486.47

Finding the Fourth Proportional to 28,960.61, 43,447.28 and 16,486.47

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Solution

The fourth proportional to 28,960.61, 43,447.28 and 16,486.47 is: 24,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960.61 : 43,447.28 = 16,486.47 : x
  2. Step 2: Convert to fraction form
    28,960.61/43,447.28 = 16,486.47/x
  3. Step 3: Cross multiply
    28,960.61x = 43,447.28 × 16,486.47
  4. Step 4: Simplify right side
    28,960.61x = 716,292,195.87
  5. Step 5: Solve for x
    x = 716,292,195.87/28,960.61
  6. Step 6: Final answer
    x = 24,733.33

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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.