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Finding the Fourth Proportional to 23,373.97, 32,239.71 and 15,816.97

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Solution

The fourth proportional to 23,373.97, 32,239.71 and 15,816.97 is: 21,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,373.97 : 32,239.71 = 15,816.97 : x
  2. Step 2: Convert to fraction form
    23,373.97/32,239.71 = 15,816.97/x
  3. Step 3: Cross multiply
    23,373.97x = 32,239.71 × 15,816.97
  4. Step 4: Simplify right side
    23,373.97x = 509,934,525.88
  5. Step 5: Solve for x
    x = 509,934,525.88/23,373.97
  6. Step 6: Final answer
    x = 21,816.34

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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.