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Finding the Fourth Proportional to 23,041.56, 34,553.64 and 7,455

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Solution

The fourth proportional to 23,041.56, 34,553.64 and 7,455 is: 11,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,041.56 : 34,553.64 = 7,455 : x
  2. Step 2: Convert to fraction form
    23,041.56/34,553.64 = 7,455/x
  3. Step 3: Cross multiply
    23,041.56x = 34,553.64 × 7,455
  4. Step 4: Simplify right side
    23,041.56x = 257,597,386.20
  5. Step 5: Solve for x
    x = 257,597,386.20/23,041.56
  6. Step 6: Final answer
    x = 11,179.69

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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.