Home / 25,551.33-38,322.49-7,777.71

Finding the Fourth Proportional to 25,551.33, 38,322.49 and 7,777.71

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Solution

The fourth proportional to 25,551.33, 38,322.49 and 7,777.71 is: 11,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.33 : 38,322.49 = 7,777.71 : x
  2. Step 2: Convert to fraction form
    25,551.33/38,322.49 = 7,777.71/x
  3. Step 3: Cross multiply
    25,551.33x = 38,322.49 × 7,777.71
  4. Step 4: Simplify right side
    25,551.33x = 298,061,213.70
  5. Step 5: Solve for x
    x = 298,061,213.70/25,551.33
  6. Step 6: Final answer
    x = 11,665.19

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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.