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Finding the Fourth Proportional to 23,510, 32,415 and 18,458.48

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Solution

The fourth proportional to 23,510, 32,415 and 18,458.48 is: 25,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,510 : 32,415 = 18,458.48 : x
  2. Step 2: Convert to fraction form
    23,510/32,415 = 18,458.48/x
  3. Step 3: Cross multiply
    23,510x = 32,415 × 18,458.48
  4. Step 4: Simplify right side
    23,510x = 598,331,629.20
  5. Step 5: Solve for x
    x = 598,331,629.20/23,510
  6. Step 6: Final answer
    x = 25,450.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.