Home / 28,559.88-39,412.44-16,630.20

Finding the Fourth Proportional to 28,559.88, 39,412.44 and 16,630.20

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Solution

The fourth proportional to 28,559.88, 39,412.44 and 16,630.20 is: 22,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.88 : 39,412.44 = 16,630.20 : x
  2. Step 2: Convert to fraction form
    28,559.88/39,412.44 = 16,630.20/x
  3. Step 3: Cross multiply
    28,559.88x = 39,412.44 × 16,630.20
  4. Step 4: Simplify right side
    28,559.88x = 655,436,759.69
  5. Step 5: Solve for x
    x = 655,436,759.69/28,559.88
  6. Step 6: Final answer
    x = 22,949.56

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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.