Home / 25,695.22-38,512.14-13,221.22

Finding the Fourth Proportional to 25,695.22, 38,512.14 and 13,221.22

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Solution

The fourth proportional to 25,695.22, 38,512.14 and 13,221.22 is: 19,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.22 : 38,512.14 = 13,221.22 : x
  2. Step 2: Convert to fraction form
    25,695.22/38,512.14 = 13,221.22/x
  3. Step 3: Cross multiply
    25,695.22x = 38,512.14 × 13,221.22
  4. Step 4: Simplify right side
    25,695.22x = 509,177,283.05
  5. Step 5: Solve for x
    x = 509,177,283.05/25,695.22
  6. Step 6: Final answer
    x = 19,816.04

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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.