Home / 28,958.10-43,451-16,317.94

Finding the Fourth Proportional to 28,958.10, 43,451 and 16,317.94

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Solution

The fourth proportional to 28,958.10, 43,451 and 16,317.94 is: 24,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.10 : 43,451 = 16,317.94 : x
  2. Step 2: Convert to fraction form
    28,958.10/43,451 = 16,317.94/x
  3. Step 3: Cross multiply
    28,958.10x = 43,451 × 16,317.94
  4. Step 4: Simplify right side
    28,958.10x = 709,030,810.94
  5. Step 5: Solve for x
    x = 709,030,810.94/28,958.10
  6. Step 6: Final answer
    x = 24,484.71

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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.