Home / 25,367.90-38,051.45-8,728.08

Finding the Fourth Proportional to 25,367.90, 38,051.45 and 8,728.08

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Solution

The fourth proportional to 25,367.90, 38,051.45 and 8,728.08 is: 13,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367.90 : 38,051.45 = 8,728.08 : x
  2. Step 2: Convert to fraction form
    25,367.90/38,051.45 = 8,728.08/x
  3. Step 3: Cross multiply
    25,367.90x = 38,051.45 × 8,728.08
  4. Step 4: Simplify right side
    25,367.90x = 332,115,978.84
  5. Step 5: Solve for x
    x = 332,115,978.84/25,367.90
  6. Step 6: Final answer
    x = 13,091.98

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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.