Home / 28,777.96-39,712.62-16,202.44

Finding the Fourth Proportional to 28,777.96, 39,712.62 and 16,202.44

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Solution

The fourth proportional to 28,777.96, 39,712.62 and 16,202.44 is: 22,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.96 : 39,712.62 = 16,202.44 : x
  2. Step 2: Convert to fraction form
    28,777.96/39,712.62 = 16,202.44/x
  3. Step 3: Cross multiply
    28,777.96x = 39,712.62 × 16,202.44
  4. Step 4: Simplify right side
    28,777.96x = 643,441,342.79
  5. Step 5: Solve for x
    x = 643,441,342.79/28,777.96
  6. Step 6: Final answer
    x = 22,358.82

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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.