Home / 19,157.55-28,736.34-5,306.55

Finding the Fourth Proportional to 19,157.55, 28,736.34 and 5,306.55

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Solution

The fourth proportional to 19,157.55, 28,736.34 and 5,306.55 is: 7,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.55 : 28,736.34 = 5,306.55 : x
  2. Step 2: Convert to fraction form
    19,157.55/28,736.34 = 5,306.55/x
  3. Step 3: Cross multiply
    19,157.55x = 28,736.34 × 5,306.55
  4. Step 4: Simplify right side
    19,157.55x = 152,490,825.03
  5. Step 5: Solve for x
    x = 152,490,825.03/19,157.55
  6. Step 6: Final answer
    x = 7,959.83

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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.