Home / 38,399.28-52,990.92-21,632.16

Finding the Fourth Proportional to 38,399.28, 52,990.92 and 21,632.16

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Solution

The fourth proportional to 38,399.28, 52,990.92 and 21,632.16 is: 29,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.28 : 52,990.92 = 21,632.16 : x
  2. Step 2: Convert to fraction form
    38,399.28/52,990.92 = 21,632.16/x
  3. Step 3: Cross multiply
    38,399.28x = 52,990.92 × 21,632.16
  4. Step 4: Simplify right side
    38,399.28x = 1,146,308,059.99
  5. Step 5: Solve for x
    x = 1,146,308,059.99/38,399.28
  6. Step 6: Final answer
    x = 29,852.33

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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.