Home / 28,704.71-39,613.05-15,958.95

Finding the Fourth Proportional to 28,704.71, 39,613.05 and 15,958.95

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Solution

The fourth proportional to 28,704.71, 39,613.05 and 15,958.95 is: 22,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.71 : 39,613.05 = 15,958.95 : x
  2. Step 2: Convert to fraction form
    28,704.71/39,613.05 = 15,958.95/x
  3. Step 3: Cross multiply
    28,704.71x = 39,613.05 × 15,958.95
  4. Step 4: Simplify right side
    28,704.71x = 632,182,684.30
  5. Step 5: Solve for x
    x = 632,182,684.30/28,704.71
  6. Step 6: Final answer
    x = 22,023.66

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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.