Home / 28,416.87-39,207.38-16,477.83

Finding the Fourth Proportional to 28,416.87, 39,207.38 and 16,477.83

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Solution

The fourth proportional to 28,416.87, 39,207.38 and 16,477.83 is: 22,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.87 : 39,207.38 = 16,477.83 : x
  2. Step 2: Convert to fraction form
    28,416.87/39,207.38 = 16,477.83/x
  3. Step 3: Cross multiply
    28,416.87x = 39,207.38 × 16,477.83
  4. Step 4: Simplify right side
    28,416.87x = 646,052,460.00
  5. Step 5: Solve for x
    x = 646,052,460.00/28,416.87
  6. Step 6: Final answer
    x = 22,734.82

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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.