Home / 28,602.75-39,473.96-16,028.31

Finding the Fourth Proportional to 28,602.75, 39,473.96 and 16,028.31

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Solution

The fourth proportional to 28,602.75, 39,473.96 and 16,028.31 is: 22,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.75 : 39,473.96 = 16,028.31 : x
  2. Step 2: Convert to fraction form
    28,602.75/39,473.96 = 16,028.31/x
  3. Step 3: Cross multiply
    28,602.75x = 39,473.96 × 16,028.31
  4. Step 4: Simplify right side
    28,602.75x = 632,700,787.67
  5. Step 5: Solve for x
    x = 632,700,787.67/28,602.75
  6. Step 6: Final answer
    x = 22,120.28

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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.