Home / 25,241.25-34,800.58-20,687.17

Finding the Fourth Proportional to 25,241.25, 34,800.58 and 20,687.17

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Solution

The fourth proportional to 25,241.25, 34,800.58 and 20,687.17 is: 28,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,241.25 : 34,800.58 = 20,687.17 : x
  2. Step 2: Convert to fraction form
    25,241.25/34,800.58 = 20,687.17/x
  3. Step 3: Cross multiply
    25,241.25x = 34,800.58 × 20,687.17
  4. Step 4: Simplify right side
    25,241.25x = 719,925,514.56
  5. Step 5: Solve for x
    x = 719,925,514.56/25,241.25
  6. Step 6: Final answer
    x = 28,521.79

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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.