Home / 38,531.80-57,783.30-15,153.40

Finding the Fourth Proportional to 38,531.80, 57,783.30 and 15,153.40

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Solution

The fourth proportional to 38,531.80, 57,783.30 and 15,153.40 is: 22,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,531.80 : 57,783.30 = 15,153.40 : x
  2. Step 2: Convert to fraction form
    38,531.80/57,783.30 = 15,153.40/x
  3. Step 3: Cross multiply
    38,531.80x = 57,783.30 × 15,153.40
  4. Step 4: Simplify right side
    38,531.80x = 875,613,458.22
  5. Step 5: Solve for x
    x = 875,613,458.22/38,531.80
  6. Step 6: Final answer
    x = 22,724.44

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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.