Home / 38,304.05-57,407.40-17,221.57

Finding the Fourth Proportional to 38,304.05, 57,407.40 and 17,221.57

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Solution

The fourth proportional to 38,304.05, 57,407.40 and 17,221.57 is: 25,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,304.05 : 57,407.40 = 17,221.57 : x
  2. Step 2: Convert to fraction form
    38,304.05/57,407.40 = 17,221.57/x
  3. Step 3: Cross multiply
    38,304.05x = 57,407.40 × 17,221.57
  4. Step 4: Simplify right side
    38,304.05x = 988,645,414.10
  5. Step 5: Solve for x
    x = 988,645,414.10/38,304.05
  6. Step 6: Final answer
    x = 25,810.47

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1.5x scale

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.