Home / 28,971.21-43,426.99-16,464.52

Finding the Fourth Proportional to 28,971.21, 43,426.99 and 16,464.52

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Solution

The fourth proportional to 28,971.21, 43,426.99 and 16,464.52 is: 24,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.21 : 43,426.99 = 16,464.52 : x
  2. Step 2: Convert to fraction form
    28,971.21/43,426.99 = 16,464.52/x
  3. Step 3: Cross multiply
    28,971.21x = 43,426.99 × 16,464.52
  4. Step 4: Simplify right side
    28,971.21x = 715,004,545.39
  5. Step 5: Solve for x
    x = 715,004,545.39/28,971.21
  6. Step 6: Final answer
    x = 24,679.83

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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.