Home / 28,904.55-39,887.44-16,157.75

Finding the Fourth Proportional to 28,904.55, 39,887.44 and 16,157.75

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Solution

The fourth proportional to 28,904.55, 39,887.44 and 16,157.75 is: 22,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.55 : 39,887.44 = 16,157.75 : x
  2. Step 2: Convert to fraction form
    28,904.55/39,887.44 = 16,157.75/x
  3. Step 3: Cross multiply
    28,904.55x = 39,887.44 × 16,157.75
  4. Step 4: Simplify right side
    28,904.55x = 644,491,202.87
  5. Step 5: Solve for x
    x = 644,491,202.87/28,904.55
  6. Step 6: Final answer
    x = 22,297.23

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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.