Home / 38,253.75-52,795.13-21,486.75

Finding the Fourth Proportional to 38,253.75, 52,795.13 and 21,486.75

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Solution

The fourth proportional to 38,253.75, 52,795.13 and 21,486.75 is: 29,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.75 : 52,795.13 = 21,486.75 : x
  2. Step 2: Convert to fraction form
    38,253.75/52,795.13 = 21,486.75/x
  3. Step 3: Cross multiply
    38,253.75x = 52,795.13 × 21,486.75
  4. Step 4: Simplify right side
    38,253.75x = 1,134,395,759.53
  5. Step 5: Solve for x
    x = 1,134,395,759.53/38,253.75
  6. Step 6: Final answer
    x = 29,654.50

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Double scale
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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.