Home / 25,630.49-38,414.56-18,136.21

Finding the Fourth Proportional to 25,630.49, 38,414.56 and 18,136.21

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Solution

The fourth proportional to 25,630.49, 38,414.56 and 18,136.21 is: 27,182.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.49 : 38,414.56 = 18,136.21 : x
  2. Step 2: Convert to fraction form
    25,630.49/38,414.56 = 18,136.21/x
  3. Step 3: Cross multiply
    25,630.49x = 38,414.56 × 18,136.21
  4. Step 4: Simplify right side
    25,630.49x = 696,694,527.22
  5. Step 5: Solve for x
    x = 696,694,527.22/25,630.49
  6. Step 6: Final answer
    x = 27,182.26

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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.