Home / 28,958.08-39,962.34-16,385.32

Finding the Fourth Proportional to 28,958.08, 39,962.34 and 16,385.32

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Solution

The fourth proportional to 28,958.08, 39,962.34 and 16,385.32 is: 22,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.08 : 39,962.34 = 16,385.32 : x
  2. Step 2: Convert to fraction form
    28,958.08/39,962.34 = 16,385.32/x
  3. Step 3: Cross multiply
    28,958.08x = 39,962.34 × 16,385.32
  4. Step 4: Simplify right side
    28,958.08x = 654,795,728.85
  5. Step 5: Solve for x
    x = 654,795,728.85/28,958.08
  6. Step 6: Final answer
    x = 22,611.85

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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.