Home / 25,672.36-35,427.84-15,604.04

Finding the Fourth Proportional to 25,672.36, 35,427.84 and 15,604.04

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Solution

The fourth proportional to 25,672.36, 35,427.84 and 15,604.04 is: 21,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.36 : 35,427.84 = 15,604.04 : x
  2. Step 2: Convert to fraction form
    25,672.36/35,427.84 = 15,604.04/x
  3. Step 3: Cross multiply
    25,672.36x = 35,427.84 × 15,604.04
  4. Step 4: Simplify right side
    25,672.36x = 552,817,432.47
  5. Step 5: Solve for x
    x = 552,817,432.47/25,672.36
  6. Step 6: Final answer
    x = 21,533.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.