Home / 25,707.28-38,565.32-8,839.48

Finding the Fourth Proportional to 25,707.28, 38,565.32 and 8,839.48

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Solution

The fourth proportional to 25,707.28, 38,565.32 and 8,839.48 is: 13,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,707.28 : 38,565.32 = 8,839.48 : x
  2. Step 2: Convert to fraction form
    25,707.28/38,565.32 = 8,839.48/x
  3. Step 3: Cross multiply
    25,707.28x = 38,565.32 × 8,839.48
  4. Step 4: Simplify right side
    25,707.28x = 340,897,374.83
  5. Step 5: Solve for x
    x = 340,897,374.83/25,707.28
  6. Step 6: Final answer
    x = 13,260.73

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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.