Home / 28,648.90-42,973.26-16,163.20

Finding the Fourth Proportional to 28,648.90, 42,973.26 and 16,163.20

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Solution

The fourth proportional to 28,648.90, 42,973.26 and 16,163.20 is: 24,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.90 : 42,973.26 = 16,163.20 : x
  2. Step 2: Convert to fraction form
    28,648.90/42,973.26 = 16,163.20/x
  3. Step 3: Cross multiply
    28,648.90x = 42,973.26 × 16,163.20
  4. Step 4: Simplify right side
    28,648.90x = 694,585,396.03
  5. Step 5: Solve for x
    x = 694,585,396.03/28,648.90
  6. Step 6: Final answer
    x = 24,244.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.