Home / 29,088.96-43,640-10,620.96

Finding the Fourth Proportional to 29,088.96, 43,640 and 10,620.96

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Solution

The fourth proportional to 29,088.96, 43,640 and 10,620.96 is: 15,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,088.96 : 43,640 = 10,620.96 : x
  2. Step 2: Convert to fraction form
    29,088.96/43,640 = 10,620.96/x
  3. Step 3: Cross multiply
    29,088.96x = 43,640 × 10,620.96
  4. Step 4: Simplify right side
    29,088.96x = 463,498,694.40
  5. Step 5: Solve for x
    x = 463,498,694.40/29,088.96
  6. Step 6: Final answer
    x = 15,933.84

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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.