Home / 25,605.55-38,380.57-13,108.43

Finding the Fourth Proportional to 25,605.55, 38,380.57 and 13,108.43

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Solution

The fourth proportional to 25,605.55, 38,380.57 and 13,108.43 is: 19,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.55 : 38,380.57 = 13,108.43 : x
  2. Step 2: Convert to fraction form
    25,605.55/38,380.57 = 13,108.43/x
  3. Step 3: Cross multiply
    25,605.55x = 38,380.57 × 13,108.43
  4. Step 4: Simplify right side
    25,605.55x = 503,109,078.39
  5. Step 5: Solve for x
    x = 503,109,078.39/25,605.55
  6. Step 6: Final answer
    x = 19,648.44

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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.