Home / 28,447.44-39,262.26-16,520.76

Finding the Fourth Proportional to 28,447.44, 39,262.26 and 16,520.76

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Solution

The fourth proportional to 28,447.44, 39,262.26 and 16,520.76 is: 22,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.44 : 39,262.26 = 16,520.76 : x
  2. Step 2: Convert to fraction form
    28,447.44/39,262.26 = 16,520.76/x
  3. Step 3: Cross multiply
    28,447.44x = 39,262.26 × 16,520.76
  4. Step 4: Simplify right side
    28,447.44x = 648,642,374.52
  5. Step 5: Solve for x
    x = 648,642,374.52/28,447.44
  6. Step 6: Final answer
    x = 22,801.43

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Double scale
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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.