Home / 25,831.84-38,659.28-17,943.25

Finding the Fourth Proportional to 25,831.84, 38,659.28 and 17,943.25

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Solution

The fourth proportional to 25,831.84, 38,659.28 and 17,943.25 is: 26,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.84 : 38,659.28 = 17,943.25 : x
  2. Step 2: Convert to fraction form
    25,831.84/38,659.28 = 17,943.25/x
  3. Step 3: Cross multiply
    25,831.84x = 38,659.28 × 17,943.25
  4. Step 4: Simplify right side
    25,831.84x = 693,673,125.86
  5. Step 5: Solve for x
    x = 693,673,125.86/25,831.84
  6. Step 6: Final answer
    x = 26,853.42

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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.