Home / 28,185.85-38,902.87-17,573.43

Finding the Fourth Proportional to 28,185.85, 38,902.87 and 17,573.43

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Solution

The fourth proportional to 28,185.85, 38,902.87 and 17,573.43 is: 24,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.85 : 38,902.87 = 17,573.43 : x
  2. Step 2: Convert to fraction form
    28,185.85/38,902.87 = 17,573.43/x
  3. Step 3: Cross multiply
    28,185.85x = 38,902.87 × 17,573.43
  4. Step 4: Simplify right side
    28,185.85x = 683,656,862.74
  5. Step 5: Solve for x
    x = 683,656,862.74/28,185.85
  6. Step 6: Final answer
    x = 24,255.32

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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.