Home / 25,768.28-38,657.28-10,186.04

Finding the Fourth Proportional to 25,768.28, 38,657.28 and 10,186.04

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Solution

The fourth proportional to 25,768.28, 38,657.28 and 10,186.04 is: 15,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.28 : 38,657.28 = 10,186.04 : x
  2. Step 2: Convert to fraction form
    25,768.28/38,657.28 = 10,186.04/x
  3. Step 3: Cross multiply
    25,768.28x = 38,657.28 × 10,186.04
  4. Step 4: Simplify right side
    25,768.28x = 393,764,600.37
  5. Step 5: Solve for x
    x = 393,764,600.37/25,768.28
  6. Step 6: Final answer
    x = 15,280.98

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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.