Home / 38,192-52,705.32-21,425.36

Finding the Fourth Proportional to 38,192, 52,705.32 and 21,425.36

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Solution

The fourth proportional to 38,192, 52,705.32 and 21,425.36 is: 29,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,192 : 52,705.32 = 21,425.36 : x
  2. Step 2: Convert to fraction form
    38,192/52,705.32 = 21,425.36/x
  3. Step 3: Cross multiply
    38,192x = 52,705.32 × 21,425.36
  4. Step 4: Simplify right side
    38,192x = 1,129,230,454.92
  5. Step 5: Solve for x
    x = 1,129,230,454.92/38,192
  6. Step 6: Final answer
    x = 29,567.20

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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.