Home / 43,782.74-65,662.14-15,697.57

Finding the Fourth Proportional to 43,782.74, 65,662.14 and 15,697.57

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Solution

The fourth proportional to 43,782.74, 65,662.14 and 15,697.57 is: 23,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.74 : 65,662.14 = 15,697.57 : x
  2. Step 2: Convert to fraction form
    43,782.74/65,662.14 = 15,697.57/x
  3. Step 3: Cross multiply
    43,782.74x = 65,662.14 × 15,697.57
  4. Step 4: Simplify right side
    43,782.74x = 1,030,735,960.51
  5. Step 5: Solve for x
    x = 1,030,735,960.51/43,782.74
  6. Step 6: Final answer
    x = 23,542.06

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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.