Home / 28,652.96-39,542.64-16,077.44

Finding the Fourth Proportional to 28,652.96, 39,542.64 and 16,077.44

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Solution

The fourth proportional to 28,652.96, 39,542.64 and 16,077.44 is: 22,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.96 : 39,542.64 = 16,077.44 : x
  2. Step 2: Convert to fraction form
    28,652.96/39,542.64 = 16,077.44/x
  3. Step 3: Cross multiply
    28,652.96x = 39,542.64 × 16,077.44
  4. Step 4: Simplify right side
    28,652.96x = 635,744,422.04
  5. Step 5: Solve for x
    x = 635,744,422.04/28,652.96
  6. Step 6: Final answer
    x = 22,187.74

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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.