Home / 38,392.73-52,982.84-21,398.72

Finding the Fourth Proportional to 38,392.73, 52,982.84 and 21,398.72

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Solution

The fourth proportional to 38,392.73, 52,982.84 and 21,398.72 is: 29,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,392.73 : 52,982.84 = 21,398.72 : x
  2. Step 2: Convert to fraction form
    38,392.73/52,982.84 = 21,398.72/x
  3. Step 3: Cross multiply
    38,392.73x = 52,982.84 × 21,398.72
  4. Step 4: Simplify right side
    38,392.73x = 1,133,764,957.96
  5. Step 5: Solve for x
    x = 1,133,764,957.96/38,392.73
  6. Step 6: Final answer
    x = 29,530.72

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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.