Home / 28,822.15-43,211.70-19,435.82

Finding the Fourth Proportional to 28,822.15, 43,211.70 and 19,435.82

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Solution

The fourth proportional to 28,822.15, 43,211.70 and 19,435.82 is: 29,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.15 : 43,211.70 = 19,435.82 : x
  2. Step 2: Convert to fraction form
    28,822.15/43,211.70 = 19,435.82/x
  3. Step 3: Cross multiply
    28,822.15x = 43,211.70 × 19,435.82
  4. Step 4: Simplify right side
    28,822.15x = 839,855,026.30
  5. Step 5: Solve for x
    x = 839,855,026.30/28,822.15
  6. Step 6: Final answer
    x = 29,139.22

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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.