Home / 28,629.60-39,506.40-16,694.04

Finding the Fourth Proportional to 28,629.60, 39,506.40 and 16,694.04

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Solution

The fourth proportional to 28,629.60, 39,506.40 and 16,694.04 is: 23,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.60 : 39,506.40 = 16,694.04 : x
  2. Step 2: Convert to fraction form
    28,629.60/39,506.40 = 16,694.04/x
  3. Step 3: Cross multiply
    28,629.60x = 39,506.40 × 16,694.04
  4. Step 4: Simplify right side
    28,629.60x = 659,521,421.86
  5. Step 5: Solve for x
    x = 659,521,421.86/28,629.60
  6. Step 6: Final answer
    x = 23,036.35

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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.