Home / 38,397.72-57,585.32-13,433.12

Finding the Fourth Proportional to 38,397.72, 57,585.32 and 13,433.12

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Solution

The fourth proportional to 38,397.72, 57,585.32 and 13,433.12 is: 20,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.72 : 57,585.32 = 13,433.12 : x
  2. Step 2: Convert to fraction form
    38,397.72/57,585.32 = 13,433.12/x
  3. Step 3: Cross multiply
    38,397.72x = 57,585.32 × 13,433.12
  4. Step 4: Simplify right side
    38,397.72x = 773,550,513.80
  5. Step 5: Solve for x
    x = 773,550,513.80/38,397.72
  6. Step 6: Final answer
    x = 20,145.74

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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.