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Finding the Fourth Proportional to 25,279.26, 37,890.63 and 9,469.08

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Solution

The fourth proportional to 25,279.26, 37,890.63 and 9,469.08 is: 14,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.26 : 37,890.63 = 9,469.08 : x
  2. Step 2: Convert to fraction form
    25,279.26/37,890.63 = 9,469.08/x
  3. Step 3: Cross multiply
    25,279.26x = 37,890.63 × 9,469.08
  4. Step 4: Simplify right side
    25,279.26x = 358,789,406.72
  5. Step 5: Solve for x
    x = 358,789,406.72/25,279.26
  6. Step 6: Final answer
    x = 14,193.03

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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.