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Finding the Fourth Proportional to 24,491.92, 33,798 and 13,881.28

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Solution

The fourth proportional to 24,491.92, 33,798 and 13,881.28 is: 19,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,491.92 : 33,798 = 13,881.28 : x
  2. Step 2: Convert to fraction form
    24,491.92/33,798 = 13,881.28/x
  3. Step 3: Cross multiply
    24,491.92x = 33,798 × 13,881.28
  4. Step 4: Simplify right side
    24,491.92x = 469,159,501.44
  5. Step 5: Solve for x
    x = 469,159,501.44/24,491.92
  6. Step 6: Final answer
    x = 19,155.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.