Home / 25,000.87-34,499.79-13,668.26

Finding the Fourth Proportional to 25,000.87, 34,499.79 and 13,668.26

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Solution

The fourth proportional to 25,000.87, 34,499.79 and 13,668.26 is: 18,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,000.87 : 34,499.79 = 13,668.26 : x
  2. Step 2: Convert to fraction form
    25,000.87/34,499.79 = 13,668.26/x
  3. Step 3: Cross multiply
    25,000.87x = 34,499.79 × 13,668.26
  4. Step 4: Simplify right side
    25,000.87x = 471,552,121.23
  5. Step 5: Solve for x
    x = 471,552,121.23/25,000.87
  6. Step 6: Final answer
    x = 18,861.43

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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.