Home / 28,748.92-43,108.14-17,660.68

Finding the Fourth Proportional to 28,748.92, 43,108.14 and 17,660.68

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Solution

The fourth proportional to 28,748.92, 43,108.14 and 17,660.68 is: 26,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.92 : 43,108.14 = 17,660.68 : x
  2. Step 2: Convert to fraction form
    28,748.92/43,108.14 = 17,660.68/x
  3. Step 3: Cross multiply
    28,748.92x = 43,108.14 × 17,660.68
  4. Step 4: Simplify right side
    28,748.92x = 761,319,065.94
  5. Step 5: Solve for x
    x = 761,319,065.94/28,748.92
  6. Step 6: Final answer
    x = 26,481.66

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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.