Home / 25,346.10-37,964.48-20,972.10

Finding the Fourth Proportional to 25,346.10, 37,964.48 and 20,972.10

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Solution

The fourth proportional to 25,346.10, 37,964.48 and 20,972.10 is: 31,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,346.10 : 37,964.48 = 20,972.10 : x
  2. Step 2: Convert to fraction form
    25,346.10/37,964.48 = 20,972.10/x
  3. Step 3: Cross multiply
    25,346.10x = 37,964.48 × 20,972.10
  4. Step 4: Simplify right side
    25,346.10x = 796,194,766.15
  5. Step 5: Solve for x
    x = 796,194,766.15/25,346.10
  6. Step 6: Final answer
    x = 31,412.91

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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.