Home / 29,077.32-43,628.94-10,605

Finding the Fourth Proportional to 29,077.32, 43,628.94 and 10,605

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Solution

The fourth proportional to 29,077.32, 43,628.94 and 10,605 is: 15,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,077.32 : 43,628.94 = 10,605 : x
  2. Step 2: Convert to fraction form
    29,077.32/43,628.94 = 10,605/x
  3. Step 3: Cross multiply
    29,077.32x = 43,628.94 × 10,605
  4. Step 4: Simplify right side
    29,077.32x = 462,684,908.70
  5. Step 5: Solve for x
    x = 462,684,908.70/29,077.32
  6. Step 6: Final answer
    x = 15,912.23

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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.