Home / 28,869.50-43,318.60-16,211.38

Finding the Fourth Proportional to 28,869.50, 43,318.60 and 16,211.38

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Solution

The fourth proportional to 28,869.50, 43,318.60 and 16,211.38 is: 24,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.50 : 43,318.60 = 16,211.38 : x
  2. Step 2: Convert to fraction form
    28,869.50/43,318.60 = 16,211.38/x
  3. Step 3: Cross multiply
    28,869.50x = 43,318.60 × 16,211.38
  4. Step 4: Simplify right side
    28,869.50x = 702,254,285.67
  5. Step 5: Solve for x
    x = 702,254,285.67/28,869.50
  6. Step 6: Final answer
    x = 24,325.13

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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.