Home / 38,473.15-57,702.43-13,507.33

Finding the Fourth Proportional to 38,473.15, 57,702.43 and 13,507.33

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Solution

The fourth proportional to 38,473.15, 57,702.43 and 13,507.33 is: 20,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,473.15 : 57,702.43 = 13,507.33 : x
  2. Step 2: Convert to fraction form
    38,473.15/57,702.43 = 13,507.33/x
  3. Step 3: Cross multiply
    38,473.15x = 57,702.43 × 13,507.33
  4. Step 4: Simplify right side
    38,473.15x = 779,405,763.81
  5. Step 5: Solve for x
    x = 779,405,763.81/38,473.15
  6. Step 6: Final answer
    x = 20,258.43

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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.