Home / 25,748.96-38,634.50-9,965.06

Finding the Fourth Proportional to 25,748.96, 38,634.50 and 9,965.06

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Solution

The fourth proportional to 25,748.96, 38,634.50 and 9,965.06 is: 14,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.96 : 38,634.50 = 9,965.06 : x
  2. Step 2: Convert to fraction form
    25,748.96/38,634.50 = 9,965.06/x
  3. Step 3: Cross multiply
    25,748.96x = 38,634.50 × 9,965.06
  4. Step 4: Simplify right side
    25,748.96x = 384,995,087.19
  5. Step 5: Solve for x
    x = 384,995,087.19/25,748.96
  6. Step 6: Final answer
    x = 14,951.87

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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.