Home / 18,277.40-27,416.10-16,664.60

Finding the Fourth Proportional to 18,277.40, 27,416.10 and 16,664.60

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Solution

The fourth proportional to 18,277.40, 27,416.10 and 16,664.60 is: 24,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.40 : 27,416.10 = 16,664.60 : x
  2. Step 2: Convert to fraction form
    18,277.40/27,416.10 = 16,664.60/x
  3. Step 3: Cross multiply
    18,277.40x = 27,416.10 × 16,664.60
  4. Step 4: Simplify right side
    18,277.40x = 456,878,340.06
  5. Step 5: Solve for x
    x = 456,878,340.06/18,277.40
  6. Step 6: Final answer
    x = 24,996.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.