Home / 29,020.67-43,543.32-15,857.66

Finding the Fourth Proportional to 29,020.67, 43,543.32 and 15,857.66

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Solution

The fourth proportional to 29,020.67, 43,543.32 and 15,857.66 is: 23,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,020.67 : 43,543.32 = 15,857.66 : x
  2. Step 2: Convert to fraction form
    29,020.67/43,543.32 = 15,857.66/x
  3. Step 3: Cross multiply
    29,020.67x = 43,543.32 × 15,857.66
  4. Step 4: Simplify right side
    29,020.67x = 690,494,946.11
  5. Step 5: Solve for x
    x = 690,494,946.11/29,020.67
  6. Step 6: Final answer
    x = 23,793.22

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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.