Home / 28,965.22-39,962.70-16,216.52

Finding the Fourth Proportional to 28,965.22, 39,962.70 and 16,216.52

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Solution

The fourth proportional to 28,965.22, 39,962.70 and 16,216.52 is: 22,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965.22 : 39,962.70 = 16,216.52 : x
  2. Step 2: Convert to fraction form
    28,965.22/39,962.70 = 16,216.52/x
  3. Step 3: Cross multiply
    28,965.22x = 39,962.70 × 16,216.52
  4. Step 4: Simplify right side
    28,965.22x = 648,055,923.80
  5. Step 5: Solve for x
    x = 648,055,923.80/28,965.22
  6. Step 6: Final answer
    x = 22,373.59

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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.