Home / 25,747.20-35,523.36-18,722.88

Finding the Fourth Proportional to 25,747.20, 35,523.36 and 18,722.88

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Solution

The fourth proportional to 25,747.20, 35,523.36 and 18,722.88 is: 25,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.20 : 35,523.36 = 18,722.88 : x
  2. Step 2: Convert to fraction form
    25,747.20/35,523.36 = 18,722.88/x
  3. Step 3: Cross multiply
    25,747.20x = 35,523.36 × 18,722.88
  4. Step 4: Simplify right side
    25,747.20x = 665,099,606.48
  5. Step 5: Solve for x
    x = 665,099,606.48/25,747.20
  6. Step 6: Final answer
    x = 25,831.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.