Home / 28,777.33-39,703.58-16,199.65

Finding the Fourth Proportional to 28,777.33, 39,703.58 and 16,199.65

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Solution

The fourth proportional to 28,777.33, 39,703.58 and 16,199.65 is: 22,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.33 : 39,703.58 = 16,199.65 : x
  2. Step 2: Convert to fraction form
    28,777.33/39,703.58 = 16,199.65/x
  3. Step 3: Cross multiply
    28,777.33x = 39,703.58 × 16,199.65
  4. Step 4: Simplify right side
    28,777.33x = 643,184,018.75
  5. Step 5: Solve for x
    x = 643,184,018.75/28,777.33
  6. Step 6: Final answer
    x = 22,350.37

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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.