Home / 57,312.24-85,958.52-15,192.72

Finding the Fourth Proportional to 57,312.24, 85,958.52 and 15,192.72

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Solution

The fourth proportional to 57,312.24, 85,958.52 and 15,192.72 is: 22,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312.24 : 85,958.52 = 15,192.72 : x
  2. Step 2: Convert to fraction form
    57,312.24/85,958.52 = 15,192.72/x
  3. Step 3: Cross multiply
    57,312.24x = 85,958.52 × 15,192.72
  4. Step 4: Simplify right side
    57,312.24x = 1,305,943,725.97
  5. Step 5: Solve for x
    x = 1,305,943,725.97/57,312.24
  6. Step 6: Final answer
    x = 22,786.47

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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.