Home / 38,551.20-57,836.04-13,250.28

Finding the Fourth Proportional to 38,551.20, 57,836.04 and 13,250.28

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Solution

The fourth proportional to 38,551.20, 57,836.04 and 13,250.28 is: 19,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,551.20 : 57,836.04 = 13,250.28 : x
  2. Step 2: Convert to fraction form
    38,551.20/57,836.04 = 13,250.28/x
  3. Step 3: Cross multiply
    38,551.20x = 57,836.04 × 13,250.28
  4. Step 4: Simplify right side
    38,551.20x = 766,343,724.09
  5. Step 5: Solve for x
    x = 766,343,724.09/38,551.20
  6. Step 6: Final answer
    x = 19,878.60

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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.