Home / 25,300.64-37,942.86-11,971.82

Finding the Fourth Proportional to 25,300.64, 37,942.86 and 11,971.82

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Solution

The fourth proportional to 25,300.64, 37,942.86 and 11,971.82 is: 17,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,300.64 : 37,942.86 = 11,971.82 : x
  2. Step 2: Convert to fraction form
    25,300.64/37,942.86 = 11,971.82/x
  3. Step 3: Cross multiply
    25,300.64x = 37,942.86 × 11,971.82
  4. Step 4: Simplify right side
    25,300.64x = 454,245,090.21
  5. Step 5: Solve for x
    x = 454,245,090.21/25,300.64
  6. Step 6: Final answer
    x = 17,953.90

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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.