Home / 20,179.45-27,848.54-16,816.63

Finding the Fourth Proportional to 20,179.45, 27,848.54 and 16,816.63

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Solution

The fourth proportional to 20,179.45, 27,848.54 and 16,816.63 is: 23,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.45 : 27,848.54 = 16,816.63 : x
  2. Step 2: Convert to fraction form
    20,179.45/27,848.54 = 16,816.63/x
  3. Step 3: Cross multiply
    20,179.45x = 27,848.54 × 16,816.63
  4. Step 4: Simplify right side
    20,179.45x = 468,318,617.86
  5. Step 5: Solve for x
    x = 468,318,617.86/20,179.45
  6. Step 6: Final answer
    x = 23,207.70

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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.