Home / 28,765.86-39,707.72-16,833.03

Finding the Fourth Proportional to 28,765.86, 39,707.72 and 16,833.03

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Solution

The fourth proportional to 28,765.86, 39,707.72 and 16,833.03 is: 23,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.86 : 39,707.72 = 16,833.03 : x
  2. Step 2: Convert to fraction form
    28,765.86/39,707.72 = 16,833.03/x
  3. Step 3: Cross multiply
    28,765.86x = 39,707.72 × 16,833.03
  4. Step 4: Simplify right side
    28,765.86x = 668,401,157.83
  5. Step 5: Solve for x
    x = 668,401,157.83/28,765.86
  6. Step 6: Final answer
    x = 23,235.92

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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.