Home / 29,302.83-40,438.01-15,874.05

Finding the Fourth Proportional to 29,302.83, 40,438.01 and 15,874.05

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Solution

The fourth proportional to 29,302.83, 40,438.01 and 15,874.05 is: 21,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,302.83 : 40,438.01 = 15,874.05 : x
  2. Step 2: Convert to fraction form
    29,302.83/40,438.01 = 15,874.05/x
  3. Step 3: Cross multiply
    29,302.83x = 40,438.01 × 15,874.05
  4. Step 4: Simplify right side
    29,302.83x = 641,914,761.63
  5. Step 5: Solve for x
    x = 641,914,761.63/29,302.83
  6. Step 6: Final answer
    x = 21,906.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.