Home / 28,909.76-43,370.68-16,435.52

Finding the Fourth Proportional to 28,909.76, 43,370.68 and 16,435.52

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Solution

The fourth proportional to 28,909.76, 43,370.68 and 16,435.52 is: 24,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.76 : 43,370.68 = 16,435.52 : x
  2. Step 2: Convert to fraction form
    28,909.76/43,370.68 = 16,435.52/x
  3. Step 3: Cross multiply
    28,909.76x = 43,370.68 × 16,435.52
  4. Step 4: Simplify right side
    28,909.76x = 712,819,678.55
  5. Step 5: Solve for x
    x = 712,819,678.55/28,909.76
  6. Step 6: Final answer
    x = 24,656.71

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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.