Home / 28,562.22-39,412.17-15,986.97

Finding the Fourth Proportional to 28,562.22, 39,412.17 and 15,986.97

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Solution

The fourth proportional to 28,562.22, 39,412.17 and 15,986.97 is: 22,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.22 : 39,412.17 = 15,986.97 : x
  2. Step 2: Convert to fraction form
    28,562.22/39,412.17 = 15,986.97/x
  3. Step 3: Cross multiply
    28,562.22x = 39,412.17 × 15,986.97
  4. Step 4: Simplify right side
    28,562.22x = 630,081,179.42
  5. Step 5: Solve for x
    x = 630,081,179.42/28,562.22
  6. Step 6: Final answer
    x = 22,059.95

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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.