Home / 38,554.05-57,828.51-13,251.14

Finding the Fourth Proportional to 38,554.05, 57,828.51 and 13,251.14

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Solution

The fourth proportional to 38,554.05, 57,828.51 and 13,251.14 is: 19,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,554.05 : 57,828.51 = 13,251.14 : x
  2. Step 2: Convert to fraction form
    38,554.05/57,828.51 = 13,251.14/x
  3. Step 3: Cross multiply
    38,554.05x = 57,828.51 × 13,251.14
  4. Step 4: Simplify right side
    38,554.05x = 766,293,682.00
  5. Step 5: Solve for x
    x = 766,293,682.00/38,554.05
  6. Step 6: Final answer
    x = 19,875.83

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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.