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Finding the Fourth Proportional to 19,800.20, 27,324.20 and 10,848.26

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Solution

The fourth proportional to 19,800.20, 27,324.20 and 10,848.26 is: 14,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.20 : 27,324.20 = 10,848.26 : x
  2. Step 2: Convert to fraction form
    19,800.20/27,324.20 = 10,848.26/x
  3. Step 3: Cross multiply
    19,800.20x = 27,324.20 × 10,848.26
  4. Step 4: Simplify right side
    19,800.20x = 296,420,025.89
  5. Step 5: Solve for x
    x = 296,420,025.89/19,800.20
  6. Step 6: Final answer
    x = 14,970.56

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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.