Home / 25,871.28-35,701.96-15,257.04

Finding the Fourth Proportional to 25,871.28, 35,701.96 and 15,257.04

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Solution

The fourth proportional to 25,871.28, 35,701.96 and 15,257.04 is: 21,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871.28 : 35,701.96 = 15,257.04 : x
  2. Step 2: Convert to fraction form
    25,871.28/35,701.96 = 15,257.04/x
  3. Step 3: Cross multiply
    25,871.28x = 35,701.96 × 15,257.04
  4. Step 4: Simplify right side
    25,871.28x = 544,706,231.80
  5. Step 5: Solve for x
    x = 544,706,231.80/25,871.28
  6. Step 6: Final answer
    x = 21,054.48

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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.