Home / 25,428.27-38,146.82-8,559.68

Finding the Fourth Proportional to 25,428.27, 38,146.82 and 8,559.68

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Solution

The fourth proportional to 25,428.27, 38,146.82 and 8,559.68 is: 12,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.27 : 38,146.82 = 8,559.68 : x
  2. Step 2: Convert to fraction form
    25,428.27/38,146.82 = 8,559.68/x
  3. Step 3: Cross multiply
    25,428.27x = 38,146.82 × 8,559.68
  4. Step 4: Simplify right side
    25,428.27x = 326,524,338.69
  5. Step 5: Solve for x
    x = 326,524,338.69/25,428.27
  6. Step 6: Final answer
    x = 12,841.00

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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.