Home / 19,270.23-28,907.64-8,175.45

Finding the Fourth Proportional to 19,270.23, 28,907.64 and 8,175.45

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Solution

The fourth proportional to 19,270.23, 28,907.64 and 8,175.45 is: 12,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.23 : 28,907.64 = 8,175.45 : x
  2. Step 2: Convert to fraction form
    19,270.23/28,907.64 = 8,175.45/x
  3. Step 3: Cross multiply
    19,270.23x = 28,907.64 × 8,175.45
  4. Step 4: Simplify right side
    19,270.23x = 236,332,965.44
  5. Step 5: Solve for x
    x = 236,332,965.44/19,270.23
  6. Step 6: Final answer
    x = 12,264.15

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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.