Home / 26,402.20-36,431.58-15,787.96

Finding the Fourth Proportional to 26,402.20, 36,431.58 and 15,787.96

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Solution

The fourth proportional to 26,402.20, 36,431.58 and 15,787.96 is: 21,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,402.20 : 36,431.58 = 15,787.96 : x
  2. Step 2: Convert to fraction form
    26,402.20/36,431.58 = 15,787.96/x
  3. Step 3: Cross multiply
    26,402.20x = 36,431.58 × 15,787.96
  4. Step 4: Simplify right side
    26,402.20x = 575,180,327.78
  5. Step 5: Solve for x
    x = 575,180,327.78/26,402.20
  6. Step 6: Final answer
    x = 21,785.32

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