Home / 19,270.77-28,907.97-7,581.25

Finding the Fourth Proportional to 19,270.77, 28,907.97 and 7,581.25

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Solution

The fourth proportional to 19,270.77, 28,907.97 and 7,581.25 is: 11,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.77 : 28,907.97 = 7,581.25 : x
  2. Step 2: Convert to fraction form
    19,270.77/28,907.97 = 7,581.25/x
  3. Step 3: Cross multiply
    19,270.77x = 28,907.97 × 7,581.25
  4. Step 4: Simplify right side
    19,270.77x = 219,158,547.56
  5. Step 5: Solve for x
    x = 219,158,547.56/19,270.77
  6. Step 6: Final answer
    x = 11,372.59

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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.