Home / 43,782.24-65,661.39-15,697.07

Finding the Fourth Proportional to 43,782.24, 65,661.39 and 15,697.07

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Solution

The fourth proportional to 43,782.24, 65,661.39 and 15,697.07 is: 23,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.24 : 65,661.39 = 15,697.07 : x
  2. Step 2: Convert to fraction form
    43,782.24/65,661.39 = 15,697.07/x
  3. Step 3: Cross multiply
    43,782.24x = 65,661.39 × 15,697.07
  4. Step 4: Simplify right side
    43,782.24x = 1,030,691,395.88
  5. Step 5: Solve for x
    x = 1,030,691,395.88/43,782.24
  6. Step 6: Final answer
    x = 23,541.32

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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.