Home / 27,405.68-37,821.20-16,650.63

Finding the Fourth Proportional to 27,405.68, 37,821.20 and 16,650.63

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Solution

The fourth proportional to 27,405.68, 37,821.20 and 16,650.63 is: 22,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.68 : 37,821.20 = 16,650.63 : x
  2. Step 2: Convert to fraction form
    27,405.68/37,821.20 = 16,650.63/x
  3. Step 3: Cross multiply
    27,405.68x = 37,821.20 × 16,650.63
  4. Step 4: Simplify right side
    27,405.68x = 629,746,724.10
  5. Step 5: Solve for x
    x = 629,746,724.10/27,405.68
  6. Step 6: Final answer
    x = 22,978.70

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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.