Home / 28,820.43-43,257.65-17,748.77

Finding the Fourth Proportional to 28,820.43, 43,257.65 and 17,748.77

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Solution

The fourth proportional to 28,820.43, 43,257.65 and 17,748.77 is: 26,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.43 : 43,257.65 = 17,748.77 : x
  2. Step 2: Convert to fraction form
    28,820.43/43,257.65 = 17,748.77/x
  3. Step 3: Cross multiply
    28,820.43x = 43,257.65 × 17,748.77
  4. Step 4: Simplify right side
    28,820.43x = 767,769,775.56
  5. Step 5: Solve for x
    x = 767,769,775.56/28,820.43
  6. Step 6: Final answer
    x = 26,639.78

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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.