Home / 38,376.78-52,956.36-28,310.81

Finding the Fourth Proportional to 38,376.78, 52,956.36 and 28,310.81

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Solution

The fourth proportional to 38,376.78, 52,956.36 and 28,310.81 is: 39,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.78 : 52,956.36 = 28,310.81 : x
  2. Step 2: Convert to fraction form
    38,376.78/52,956.36 = 28,310.81/x
  3. Step 3: Cross multiply
    38,376.78x = 52,956.36 × 28,310.81
  4. Step 4: Simplify right side
    38,376.78x = 1,499,237,181.47
  5. Step 5: Solve for x
    x = 1,499,237,181.47/38,376.78
  6. Step 6: Final answer
    x = 39,066.26

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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.