Home / 25,195.86-34,752.48-21,392.88

Finding the Fourth Proportional to 25,195.86, 34,752.48 and 21,392.88

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Solution

The fourth proportional to 25,195.86, 34,752.48 and 21,392.88 is: 29,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,195.86 : 34,752.48 = 21,392.88 : x
  2. Step 2: Convert to fraction form
    25,195.86/34,752.48 = 21,392.88/x
  3. Step 3: Cross multiply
    25,195.86x = 34,752.48 × 21,392.88
  4. Step 4: Simplify right side
    25,195.86x = 743,455,634.34
  5. Step 5: Solve for x
    x = 743,455,634.34/25,195.86
  6. Step 6: Final answer
    x = 29,507.06

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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.