Home / 25,449.90-38,182.91-11,421.96

Finding the Fourth Proportional to 25,449.90, 38,182.91 and 11,421.96

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Solution

The fourth proportional to 25,449.90, 38,182.91 and 11,421.96 is: 17,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.90 : 38,182.91 = 11,421.96 : x
  2. Step 2: Convert to fraction form
    25,449.90/38,182.91 = 11,421.96/x
  3. Step 3: Cross multiply
    25,449.90x = 38,182.91 × 11,421.96
  4. Step 4: Simplify right side
    25,449.90x = 436,123,613.59
  5. Step 5: Solve for x
    x = 436,123,613.59/25,449.90
  6. Step 6: Final answer
    x = 17,136.56

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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.