Home / 43,487.16-65,213.72-15,396.36

Finding the Fourth Proportional to 43,487.16, 65,213.72 and 15,396.36

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Solution

The fourth proportional to 43,487.16, 65,213.72 and 15,396.36 is: 23,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,487.16 : 65,213.72 = 15,396.36 : x
  2. Step 2: Convert to fraction form
    43,487.16/65,213.72 = 15,396.36/x
  3. Step 3: Cross multiply
    43,487.16x = 65,213.72 × 15,396.36
  4. Step 4: Simplify right side
    43,487.16x = 1,004,053,910.06
  5. Step 5: Solve for x
    x = 1,004,053,910.06/43,487.16
  6. Step 6: Final answer
    x = 23,088.51

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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.