Home / 38,287.64-57,431.54-14,914.08

Finding the Fourth Proportional to 38,287.64, 57,431.54 and 14,914.08

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Solution

The fourth proportional to 38,287.64, 57,431.54 and 14,914.08 is: 22,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,287.64 : 57,431.54 = 14,914.08 : x
  2. Step 2: Convert to fraction form
    38,287.64/57,431.54 = 14,914.08/x
  3. Step 3: Cross multiply
    38,287.64x = 57,431.54 × 14,914.08
  4. Step 4: Simplify right side
    38,287.64x = 856,538,582.08
  5. Step 5: Solve for x
    x = 856,538,582.08/38,287.64
  6. Step 6: Final answer
    x = 22,371.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.