Home / 16,854.57-25,281.85-15,815.75

Finding the Fourth Proportional to 16,854.57, 25,281.85 and 15,815.75

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Solution

The fourth proportional to 16,854.57, 25,281.85 and 15,815.75 is: 23,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.57 : 25,281.85 = 15,815.75 : x
  2. Step 2: Convert to fraction form
    16,854.57/25,281.85 = 15,815.75/x
  3. Step 3: Cross multiply
    16,854.57x = 25,281.85 × 15,815.75
  4. Step 4: Simplify right side
    16,854.57x = 399,851,292.73
  5. Step 5: Solve for x
    x = 399,851,292.73/16,854.57
  6. Step 6: Final answer
    x = 23,723.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.