Home / 23,909.79-35,836.98-21,141.87

Finding the Fourth Proportional to 23,909.79, 35,836.98 and 21,141.87

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Solution

The fourth proportional to 23,909.79, 35,836.98 and 21,141.87 is: 31,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.79 : 35,836.98 = 21,141.87 : x
  2. Step 2: Convert to fraction form
    23,909.79/35,836.98 = 21,141.87/x
  3. Step 3: Cross multiply
    23,909.79x = 35,836.98 × 21,141.87
  4. Step 4: Simplify right side
    23,909.79x = 757,660,772.35
  5. Step 5: Solve for x
    x = 757,660,772.35/23,909.79
  6. Step 6: Final answer
    x = 31,688.31

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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.