Home / 19,270.08-28,915.92-8,175.24

Finding the Fourth Proportional to 19,270.08, 28,915.92 and 8,175.24

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Solution

The fourth proportional to 19,270.08, 28,915.92 and 8,175.24 is: 12,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.08 : 28,915.92 = 8,175.24 : x
  2. Step 2: Convert to fraction form
    19,270.08/28,915.92 = 8,175.24/x
  3. Step 3: Cross multiply
    19,270.08x = 28,915.92 × 8,175.24
  4. Step 4: Simplify right side
    19,270.08x = 236,394,585.82
  5. Step 5: Solve for x
    x = 236,394,585.82/19,270.08
  6. Step 6: Final answer
    x = 12,267.44

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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.