Home / 28,912.83-43,348.29-19,529.39

Finding the Fourth Proportional to 28,912.83, 43,348.29 and 19,529.39

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Solution

The fourth proportional to 28,912.83, 43,348.29 and 19,529.39 is: 29,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.83 : 43,348.29 = 19,529.39 : x
  2. Step 2: Convert to fraction form
    28,912.83/43,348.29 = 19,529.39/x
  3. Step 3: Cross multiply
    28,912.83x = 43,348.29 × 19,529.39
  4. Step 4: Simplify right side
    28,912.83x = 846,565,444.50
  5. Step 5: Solve for x
    x = 846,565,444.50/28,912.83
  6. Step 6: Final answer
    x = 29,279.92

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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.