Home / 43,814.80-65,722.20-15,748.30

Finding the Fourth Proportional to 43,814.80, 65,722.20 and 15,748.30

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Solution

The fourth proportional to 43,814.80, 65,722.20 and 15,748.30 is: 23,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,814.80 : 65,722.20 = 15,748.30 : x
  2. Step 2: Convert to fraction form
    43,814.80/65,722.20 = 15,748.30/x
  3. Step 3: Cross multiply
    43,814.80x = 65,722.20 × 15,748.30
  4. Step 4: Simplify right side
    43,814.80x = 1,035,012,922.26
  5. Step 5: Solve for x
    x = 1,035,012,922.26/43,814.80
  6. Step 6: Final answer
    x = 23,622.45

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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.