Home / 28,461.52-39,308.62-22,163.88

Finding the Fourth Proportional to 28,461.52, 39,308.62 and 22,163.88

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Solution

The fourth proportional to 28,461.52, 39,308.62 and 22,163.88 is: 30,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.52 : 39,308.62 = 22,163.88 : x
  2. Step 2: Convert to fraction form
    28,461.52/39,308.62 = 22,163.88/x
  3. Step 3: Cross multiply
    28,461.52x = 39,308.62 × 22,163.88
  4. Step 4: Simplify right side
    28,461.52x = 871,231,536.65
  5. Step 5: Solve for x
    x = 871,231,536.65/28,461.52
  6. Step 6: Final answer
    x = 30,610.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.