Home / 16,854.07-25,281.10-15,815.25

Finding the Fourth Proportional to 16,854.07, 25,281.10 and 15,815.25

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Solution

The fourth proportional to 16,854.07, 25,281.10 and 15,815.25 is: 23,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.07 : 25,281.10 = 15,815.25 : x
  2. Step 2: Convert to fraction form
    16,854.07/25,281.10 = 15,815.25/x
  3. Step 3: Cross multiply
    16,854.07x = 25,281.10 × 15,815.25
  4. Step 4: Simplify right side
    16,854.07x = 399,826,829.91
  5. Step 5: Solve for x
    x = 399,826,829.91/16,854.07
  6. Step 6: Final answer
    x = 23,722.87

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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.