Home / 28,669.77-43,003.11-8,946.06

Finding the Fourth Proportional to 28,669.77, 43,003.11 and 8,946.06

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Solution

The fourth proportional to 28,669.77, 43,003.11 and 8,946.06 is: 13,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.77 : 43,003.11 = 8,946.06 : x
  2. Step 2: Convert to fraction form
    28,669.77/43,003.11 = 8,946.06/x
  3. Step 3: Cross multiply
    28,669.77x = 43,003.11 × 8,946.06
  4. Step 4: Simplify right side
    28,669.77x = 384,708,402.25
  5. Step 5: Solve for x
    x = 384,708,402.25/28,669.77
  6. Step 6: Final answer
    x = 13,418.61

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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.