Home / 25,912.68-38,888.24-19,264.56

Finding the Fourth Proportional to 25,912.68, 38,888.24 and 19,264.56

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Solution

The fourth proportional to 25,912.68, 38,888.24 and 19,264.56 is: 28,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.68 : 38,888.24 = 19,264.56 : x
  2. Step 2: Convert to fraction form
    25,912.68/38,888.24 = 19,264.56/x
  3. Step 3: Cross multiply
    25,912.68x = 38,888.24 × 19,264.56
  4. Step 4: Simplify right side
    25,912.68x = 749,164,736.45
  5. Step 5: Solve for x
    x = 749,164,736.45/25,912.68
  6. Step 6: Final answer
    x = 28,911.13

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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.