Home / 25,450.28-38,186.76-9,869.12

Finding the Fourth Proportional to 25,450.28, 38,186.76 and 9,869.12

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Solution

The fourth proportional to 25,450.28, 38,186.76 and 9,869.12 is: 14,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.28 : 38,186.76 = 9,869.12 : x
  2. Step 2: Convert to fraction form
    25,450.28/38,186.76 = 9,869.12/x
  3. Step 3: Cross multiply
    25,450.28x = 38,186.76 × 9,869.12
  4. Step 4: Simplify right side
    25,450.28x = 376,869,716.85
  5. Step 5: Solve for x
    x = 376,869,716.85/25,450.28
  6. Step 6: Final answer
    x = 14,808.08

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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.