Home / 28,950.66-39,958.65-16,379.46

Finding the Fourth Proportional to 28,950.66, 39,958.65 and 16,379.46

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Solution

The fourth proportional to 28,950.66, 39,958.65 and 16,379.46 is: 22,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.66 : 39,958.65 = 16,379.46 : x
  2. Step 2: Convert to fraction form
    28,950.66/39,958.65 = 16,379.46/x
  3. Step 3: Cross multiply
    28,950.66x = 39,958.65 × 16,379.46
  4. Step 4: Simplify right side
    28,950.66x = 654,501,109.33
  5. Step 5: Solve for x
    x = 654,501,109.33/28,950.66
  6. Step 6: Final answer
    x = 22,607.47

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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.