Home / 19,679-29,524.28-5,828.36

Finding the Fourth Proportional to 19,679, 29,524.28 and 5,828.36

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Solution

The fourth proportional to 19,679, 29,524.28 and 5,828.36 is: 8,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679 : 29,524.28 = 5,828.36 : x
  2. Step 2: Convert to fraction form
    19,679/29,524.28 = 5,828.36/x
  3. Step 3: Cross multiply
    19,679x = 29,524.28 × 5,828.36
  4. Step 4: Simplify right side
    19,679x = 172,078,132.58
  5. Step 5: Solve for x
    x = 172,078,132.58/19,679
  6. Step 6: Final answer
    x = 8,744.25

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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.