Home / 43,207.21-64,810.82-13,628.04

Finding the Fourth Proportional to 43,207.21, 64,810.82 and 13,628.04

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Solution

The fourth proportional to 43,207.21, 64,810.82 and 13,628.04 is: 20,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,207.21 : 64,810.82 = 13,628.04 : x
  2. Step 2: Convert to fraction form
    43,207.21/64,810.82 = 13,628.04/x
  3. Step 3: Cross multiply
    43,207.21x = 64,810.82 × 13,628.04
  4. Step 4: Simplify right side
    43,207.21x = 883,244,055.20
  5. Step 5: Solve for x
    x = 883,244,055.20/43,207.21
  6. Step 6: Final answer
    x = 20,442.05

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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.