Home / 64,379.12-96,564.92-17,628.56

Finding the Fourth Proportional to 64,379.12, 96,564.92 and 17,628.56

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Solution

The fourth proportional to 64,379.12, 96,564.92 and 17,628.56 is: 26,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379.12 : 96,564.92 = 17,628.56 : x
  2. Step 2: Convert to fraction form
    64,379.12/96,564.92 = 17,628.56/x
  3. Step 3: Cross multiply
    64,379.12x = 96,564.92 × 17,628.56
  4. Step 4: Simplify right side
    64,379.12x = 1,702,300,486.12
  5. Step 5: Solve for x
    x = 1,702,300,486.12/64,379.12
  6. Step 6: Final answer
    x = 26,441.81

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1.5x scale

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.