Home / 57,209.28-85,812.84-17,765.52

Finding the Fourth Proportional to 57,209.28, 85,812.84 and 17,765.52

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Solution

The fourth proportional to 57,209.28, 85,812.84 and 17,765.52 is: 26,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,209.28 : 85,812.84 = 17,765.52 : x
  2. Step 2: Convert to fraction form
    57,209.28/85,812.84 = 17,765.52/x
  3. Step 3: Cross multiply
    57,209.28x = 85,812.84 × 17,765.52
  4. Step 4: Simplify right side
    57,209.28x = 1,524,509,725.28
  5. Step 5: Solve for x
    x = 1,524,509,725.28/57,209.28
  6. Step 6: Final answer
    x = 26,647.94

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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.