Home / 25,456.97-38,157.74-21,747.95

Finding the Fourth Proportional to 25,456.97, 38,157.74 and 21,747.95

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Solution

The fourth proportional to 25,456.97, 38,157.74 and 21,747.95 is: 32,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.97 : 38,157.74 = 21,747.95 : x
  2. Step 2: Convert to fraction form
    25,456.97/38,157.74 = 21,747.95/x
  3. Step 3: Cross multiply
    25,456.97x = 38,157.74 × 21,747.95
  4. Step 4: Simplify right side
    25,456.97x = 829,852,322.10
  5. Step 5: Solve for x
    x = 829,852,322.10/25,456.97
  6. Step 6: Final answer
    x = 32,598.24

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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.