Home / 25,561.35-38,397.93-18,213.03

Finding the Fourth Proportional to 25,561.35, 38,397.93 and 18,213.03

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Solution

The fourth proportional to 25,561.35, 38,397.93 and 18,213.03 is: 27,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.35 : 38,397.93 = 18,213.03 : x
  2. Step 2: Convert to fraction form
    25,561.35/38,397.93 = 18,213.03/x
  3. Step 3: Cross multiply
    25,561.35x = 38,397.93 × 18,213.03
  4. Step 4: Simplify right side
    25,561.35x = 699,342,651.03
  5. Step 5: Solve for x
    x = 699,342,651.03/25,561.35
  6. Step 6: Final answer
    x = 27,359.38

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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.