Home / 28,880.56-39,850.68-16,305.04

Finding the Fourth Proportional to 28,880.56, 39,850.68 and 16,305.04

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Solution

The fourth proportional to 28,880.56, 39,850.68 and 16,305.04 is: 22,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.56 : 39,850.68 = 16,305.04 : x
  2. Step 2: Convert to fraction form
    28,880.56/39,850.68 = 16,305.04/x
  3. Step 3: Cross multiply
    28,880.56x = 39,850.68 × 16,305.04
  4. Step 4: Simplify right side
    28,880.56x = 649,766,931.43
  5. Step 5: Solve for x
    x = 649,766,931.43/28,880.56
  6. Step 6: Final answer
    x = 22,498.42

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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.