Home / 57,207.24-85,806.72-19,256.76

Finding the Fourth Proportional to 57,207.24, 85,806.72 and 19,256.76

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Solution

The fourth proportional to 57,207.24, 85,806.72 and 19,256.76 is: 28,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,207.24 : 85,806.72 = 19,256.76 : x
  2. Step 2: Convert to fraction form
    57,207.24/85,806.72 = 19,256.76/x
  3. Step 3: Cross multiply
    57,207.24x = 85,806.72 × 19,256.76
  4. Step 4: Simplify right side
    57,207.24x = 1,652,359,413.43
  5. Step 5: Solve for x
    x = 1,652,359,413.43/57,207.24
  6. Step 6: Final answer
    x = 28,883.75

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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.