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Finding the Fourth Proportional to 24,502.85, 36,749.89 and 6,491.20

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Solution

The fourth proportional to 24,502.85, 36,749.89 and 6,491.20 is: 9,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,502.85 : 36,749.89 = 6,491.20 : x
  2. Step 2: Convert to fraction form
    24,502.85/36,749.89 = 6,491.20/x
  3. Step 3: Cross multiply
    24,502.85x = 36,749.89 × 6,491.20
  4. Step 4: Simplify right side
    24,502.85x = 238,550,669.76
  5. Step 5: Solve for x
    x = 238,550,669.76/24,502.85
  6. Step 6: Final answer
    x = 9,735.63

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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.