Home / 25,450.68-38,190.90-10,658.35

Finding the Fourth Proportional to 25,450.68, 38,190.90 and 10,658.35

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Solution

The fourth proportional to 25,450.68, 38,190.90 and 10,658.35 is: 15,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.68 : 38,190.90 = 10,658.35 : x
  2. Step 2: Convert to fraction form
    25,450.68/38,190.90 = 10,658.35/x
  3. Step 3: Cross multiply
    25,450.68x = 38,190.90 × 10,658.35
  4. Step 4: Simplify right side
    25,450.68x = 407,051,979.02
  5. Step 5: Solve for x
    x = 407,051,979.02/25,450.68
  6. Step 6: Final answer
    x = 15,993.76

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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.