Home / 28,807.60-43,194.12-11,256.52

Finding the Fourth Proportional to 28,807.60, 43,194.12 and 11,256.52

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Solution

The fourth proportional to 28,807.60, 43,194.12 and 11,256.52 is: 16,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.60 : 43,194.12 = 11,256.52 : x
  2. Step 2: Convert to fraction form
    28,807.60/43,194.12 = 11,256.52/x
  3. Step 3: Cross multiply
    28,807.60x = 43,194.12 × 11,256.52
  4. Step 4: Simplify right side
    28,807.60x = 486,215,475.66
  5. Step 5: Solve for x
    x = 486,215,475.66/28,807.60
  6. Step 6: Final answer
    x = 16,878.03

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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.