Home / 29,687.75-40,969.37-20,256.11

Finding the Fourth Proportional to 29,687.75, 40,969.37 and 20,256.11

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Solution

The fourth proportional to 29,687.75, 40,969.37 and 20,256.11 is: 27,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.75 : 40,969.37 = 20,256.11 : x
  2. Step 2: Convert to fraction form
    29,687.75/40,969.37 = 20,256.11/x
  3. Step 3: Cross multiply
    29,687.75x = 40,969.37 × 20,256.11
  4. Step 4: Simplify right side
    29,687.75x = 829,880,065.35
  5. Step 5: Solve for x
    x = 829,880,065.35/29,687.75
  6. Step 6: Final answer
    x = 27,953.62

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Why These Related Problems?

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