Home / 23,928-35,654.16-21,310.80

Finding the Fourth Proportional to 23,928, 35,654.16 and 21,310.80

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Solution

The fourth proportional to 23,928, 35,654.16 and 21,310.80 is: 31,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,928 : 35,654.16 = 21,310.80 : x
  2. Step 2: Convert to fraction form
    23,928/35,654.16 = 21,310.80/x
  3. Step 3: Cross multiply
    23,928x = 35,654.16 × 21,310.80
  4. Step 4: Simplify right side
    23,928x = 759,818,672.93
  5. Step 5: Solve for x
    x = 759,818,672.93/23,928
  6. Step 6: Final answer
    x = 31,754.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.