Home / 28,505.12-39,325.92-16,566.32

Finding the Fourth Proportional to 28,505.12, 39,325.92 and 16,566.32

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Solution

The fourth proportional to 28,505.12, 39,325.92 and 16,566.32 is: 22,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,505.12 : 39,325.92 = 16,566.32 : x
  2. Step 2: Convert to fraction form
    28,505.12/39,325.92 = 16,566.32/x
  3. Step 3: Cross multiply
    28,505.12x = 39,325.92 × 16,566.32
  4. Step 4: Simplify right side
    28,505.12x = 651,485,775.01
  5. Step 5: Solve for x
    x = 651,485,775.01/28,505.12
  6. Step 6: Final answer
    x = 22,855.04

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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.