Home / 29,364-40,521.96-15,935.28

Finding the Fourth Proportional to 29,364, 40,521.96 and 15,935.28

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Solution

The fourth proportional to 29,364, 40,521.96 and 15,935.28 is: 21,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,364 : 40,521.96 = 15,935.28 : x
  2. Step 2: Convert to fraction form
    29,364/40,521.96 = 15,935.28/x
  3. Step 3: Cross multiply
    29,364x = 40,521.96 × 15,935.28
  4. Step 4: Simplify right side
    29,364x = 645,728,778.75
  5. Step 5: Solve for x
    x = 645,728,778.75/29,364
  6. Step 6: Final answer
    x = 21,990.49

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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.