Home / 19,199.17-28,742.68-15,508.59

Finding the Fourth Proportional to 19,199.17, 28,742.68 and 15,508.59

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Solution

The fourth proportional to 19,199.17, 28,742.68 and 15,508.59 is: 23,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.17 : 28,742.68 = 15,508.59 : x
  2. Step 2: Convert to fraction form
    19,199.17/28,742.68 = 15,508.59/x
  3. Step 3: Cross multiply
    19,199.17x = 28,742.68 × 15,508.59
  4. Step 4: Simplify right side
    19,199.17x = 445,758,439.62
  5. Step 5: Solve for x
    x = 445,758,439.62/19,199.17
  6. Step 6: Final answer
    x = 23,217.59

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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.