Home / 19,157.56-28,736.35-5,306.56

Finding the Fourth Proportional to 19,157.56, 28,736.35 and 5,306.56

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Solution

The fourth proportional to 19,157.56, 28,736.35 and 5,306.56 is: 7,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.56 : 28,736.35 = 5,306.56 : x
  2. Step 2: Convert to fraction form
    19,157.56/28,736.35 = 5,306.56/x
  3. Step 3: Cross multiply
    19,157.56x = 28,736.35 × 5,306.56
  4. Step 4: Simplify right side
    19,157.56x = 152,491,080.35
  5. Step 5: Solve for x
    x = 152,491,080.35/19,157.56
  6. Step 6: Final answer
    x = 7,959.84

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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.