Home / 28,371.70-42,543.30-16,529.38

Finding the Fourth Proportional to 28,371.70, 42,543.30 and 16,529.38

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Solution

The fourth proportional to 28,371.70, 42,543.30 and 16,529.38 is: 24,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371.70 : 42,543.30 = 16,529.38 : x
  2. Step 2: Convert to fraction form
    28,371.70/42,543.30 = 16,529.38/x
  3. Step 3: Cross multiply
    28,371.70x = 42,543.30 × 16,529.38
  4. Step 4: Simplify right side
    28,371.70x = 703,214,372.15
  5. Step 5: Solve for x
    x = 703,214,372.15/28,371.70
  6. Step 6: Final answer
    x = 24,785.77

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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.