Home / 65,491.21-98,154.66-28,007.28

Finding the Fourth Proportional to 65,491.21, 98,154.66 and 28,007.28

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Solution

The fourth proportional to 65,491.21, 98,154.66 and 28,007.28 is: 41,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,491.21 : 98,154.66 = 28,007.28 : x
  2. Step 2: Convert to fraction form
    65,491.21/98,154.66 = 28,007.28/x
  3. Step 3: Cross multiply
    65,491.21x = 98,154.66 × 28,007.28
  4. Step 4: Simplify right side
    65,491.21x = 2,749,045,045.92
  5. Step 5: Solve for x
    x = 2,749,045,045.92/65,491.21
  6. Step 6: Final answer
    x = 41,975.79

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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.