Home / 25,608.56-38,380-19,752.88

Finding the Fourth Proportional to 25,608.56, 38,380 and 19,752.88

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Solution

The fourth proportional to 25,608.56, 38,380 and 19,752.88 is: 29,603.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.56 : 38,380 = 19,752.88 : x
  2. Step 2: Convert to fraction form
    25,608.56/38,380 = 19,752.88/x
  3. Step 3: Cross multiply
    25,608.56x = 38,380 × 19,752.88
  4. Step 4: Simplify right side
    25,608.56x = 758,115,534.40
  5. Step 5: Solve for x
    x = 758,115,534.40/25,608.56
  6. Step 6: Final answer
    x = 29,603.99

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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.