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Finding the Fourth Proportional to 18,253.91, 27,248.83 and 16,039.58

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Solution

The fourth proportional to 18,253.91, 27,248.83 and 16,039.58 is: 23,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.91 : 27,248.83 = 16,039.58 : x
  2. Step 2: Convert to fraction form
    18,253.91/27,248.83 = 16,039.58/x
  3. Step 3: Cross multiply
    18,253.91x = 27,248.83 × 16,039.58
  4. Step 4: Simplify right side
    18,253.91x = 437,059,612.35
  5. Step 5: Solve for x
    x = 437,059,612.35/18,253.91
  6. Step 6: Final answer
    x = 23,943.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.