Home / 19,267.30-28,828.28-11,374.11

Finding the Fourth Proportional to 19,267.30, 28,828.28 and 11,374.11

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Solution

The fourth proportional to 19,267.30, 28,828.28 and 11,374.11 is: 17,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.30 : 28,828.28 = 11,374.11 : x
  2. Step 2: Convert to fraction form
    19,267.30/28,828.28 = 11,374.11/x
  3. Step 3: Cross multiply
    19,267.30x = 28,828.28 × 11,374.11
  4. Step 4: Simplify right side
    19,267.30x = 327,895,947.75
  5. Step 5: Solve for x
    x = 327,895,947.75/19,267.30
  6. Step 6: Final answer
    x = 17,018.26

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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.