Home / 25,455.66-38,138.31-10,631.96

Finding the Fourth Proportional to 25,455.66, 38,138.31 and 10,631.96

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Solution

The fourth proportional to 25,455.66, 38,138.31 and 10,631.96 is: 15,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.66 : 38,138.31 = 10,631.96 : x
  2. Step 2: Convert to fraction form
    25,455.66/38,138.31 = 10,631.96/x
  3. Step 3: Cross multiply
    25,455.66x = 38,138.31 × 10,631.96
  4. Step 4: Simplify right side
    25,455.66x = 405,484,795.70
  5. Step 5: Solve for x
    x = 405,484,795.70/25,455.66
  6. Step 6: Final answer
    x = 15,929.06

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1.5x scale

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.