Home / 27,689.86-41,528.58-7,964.02

Finding the Fourth Proportional to 27,689.86, 41,528.58 and 7,964.02

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Solution

The fourth proportional to 27,689.86, 41,528.58 and 7,964.02 is: 11,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,689.86 : 41,528.58 = 7,964.02 : x
  2. Step 2: Convert to fraction form
    27,689.86/41,528.58 = 7,964.02/x
  3. Step 3: Cross multiply
    27,689.86x = 41,528.58 × 7,964.02
  4. Step 4: Simplify right side
    27,689.86x = 330,734,441.69
  5. Step 5: Solve for x
    x = 330,734,441.69/27,689.86
  6. Step 6: Final answer
    x = 11,944.24

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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.