Home / 18,784.65-25,949.82-15,002.85

Finding the Fourth Proportional to 18,784.65, 25,949.82 and 15,002.85

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Solution

The fourth proportional to 18,784.65, 25,949.82 and 15,002.85 is: 20,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.65 : 25,949.82 = 15,002.85 : x
  2. Step 2: Convert to fraction form
    18,784.65/25,949.82 = 15,002.85/x
  3. Step 3: Cross multiply
    18,784.65x = 25,949.82 × 15,002.85
  4. Step 4: Simplify right side
    18,784.65x = 389,321,256.99
  5. Step 5: Solve for x
    x = 389,321,256.99/18,784.65
  6. Step 6: Final answer
    x = 20,725.50

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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.