Home / 28,997.16-43,502.30-15,669.88

Finding the Fourth Proportional to 28,997.16, 43,502.30 and 15,669.88

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Solution

The fourth proportional to 28,997.16, 43,502.30 and 15,669.88 is: 23,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.16 : 43,502.30 = 15,669.88 : x
  2. Step 2: Convert to fraction form
    28,997.16/43,502.30 = 15,669.88/x
  3. Step 3: Cross multiply
    28,997.16x = 43,502.30 × 15,669.88
  4. Step 4: Simplify right side
    28,997.16x = 681,675,820.72
  5. Step 5: Solve for x
    x = 681,675,820.72/28,997.16
  6. Step 6: Final answer
    x = 23,508.36

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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.