Home / 19,044.48-28,557.36-7,947.84

Finding the Fourth Proportional to 19,044.48, 28,557.36 and 7,947.84

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Solution

The fourth proportional to 19,044.48, 28,557.36 and 7,947.84 is: 11,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,044.48 : 28,557.36 = 7,947.84 : x
  2. Step 2: Convert to fraction form
    19,044.48/28,557.36 = 7,947.84/x
  3. Step 3: Cross multiply
    19,044.48x = 28,557.36 × 7,947.84
  4. Step 4: Simplify right side
    19,044.48x = 226,969,328.10
  5. Step 5: Solve for x
    x = 226,969,328.10/19,044.48
  6. Step 6: Final answer
    x = 11,917.85

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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.