Home / 28,809.03-43,212.72-15,744.15

Finding the Fourth Proportional to 28,809.03, 43,212.72 and 15,744.15

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Solution

The fourth proportional to 28,809.03, 43,212.72 and 15,744.15 is: 23,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.03 : 43,212.72 = 15,744.15 : x
  2. Step 2: Convert to fraction form
    28,809.03/43,212.72 = 15,744.15/x
  3. Step 3: Cross multiply
    28,809.03x = 43,212.72 × 15,744.15
  4. Step 4: Simplify right side
    28,809.03x = 680,347,545.59
  5. Step 5: Solve for x
    x = 680,347,545.59/28,809.03
  6. Step 6: Final answer
    x = 23,615.77

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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.