Home / 25,867.28-38,815.50-25,669.64

Finding the Fourth Proportional to 25,867.28, 38,815.50 and 25,669.64

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Solution

The fourth proportional to 25,867.28, 38,815.50 and 25,669.64 is: 38,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,867.28 : 38,815.50 = 25,669.64 : x
  2. Step 2: Convert to fraction form
    25,867.28/38,815.50 = 25,669.64/x
  3. Step 3: Cross multiply
    25,867.28x = 38,815.50 × 25,669.64
  4. Step 4: Simplify right side
    25,867.28x = 996,379,911.42
  5. Step 5: Solve for x
    x = 996,379,911.42/25,867.28
  6. Step 6: Final answer
    x = 38,518.93

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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.