Home / 25,631.10-38,435.12-10,832.40

Finding the Fourth Proportional to 25,631.10, 38,435.12 and 10,832.40

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Solution

The fourth proportional to 25,631.10, 38,435.12 and 10,832.40 is: 16,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.10 : 38,435.12 = 10,832.40 : x
  2. Step 2: Convert to fraction form
    25,631.10/38,435.12 = 10,832.40/x
  3. Step 3: Cross multiply
    25,631.10x = 38,435.12 × 10,832.40
  4. Step 4: Simplify right side
    25,631.10x = 416,344,539.73
  5. Step 5: Solve for x
    x = 416,344,539.73/25,631.10
  6. Step 6: Final answer
    x = 16,243.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.