Home / 25,479.36-38,204.82-20,247.84

Finding the Fourth Proportional to 25,479.36, 38,204.82 and 20,247.84

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Solution

The fourth proportional to 25,479.36, 38,204.82 and 20,247.84 is: 30,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.36 : 38,204.82 = 20,247.84 : x
  2. Step 2: Convert to fraction form
    25,479.36/38,204.82 = 20,247.84/x
  3. Step 3: Cross multiply
    25,479.36x = 38,204.82 × 20,247.84
  4. Step 4: Simplify right side
    25,479.36x = 773,565,082.59
  5. Step 5: Solve for x
    x = 773,565,082.59/25,479.36
  6. Step 6: Final answer
    x = 30,360.46

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1.5x scale

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.